Document:

Exhibit 10.20
August 2, 2002

Peter Tomasi
Telcordia Technologies, Inc.
445 South Street, MCC 1C315G
Morristown, NJ 07960

Re: Resolution Of Outstanding Issues

Dear Pete:

      Thank you for your proposal. This letter is intended to document the
agreement (the "Agreement") we reached by email on July 12, 2002. This Agreement
is as follows:

      First, Geoworks agrees that Telcordia has a valid claim against Geoworks
in the amount of $289,533.37 (the "Claim Amount"). In the event that full
payment of the compromised amounts set forth below is not made, Telcordia shall
have the right to assert a claim against Geoworks in the full Claim Amount less
any amounts paid under this Agreement.

      Second, Telcordia has agreed, subject to terms of the above paragraph, to
accept $100,000 and an assignment of Geoworks right to collect payments due
under the Licensing Agreement with SAIC dated 10/24/01 as full payment for all
amounts due as of August 1, 2002 from Geoworks. Payment by Geoworks to Telcordia
is to be made as follows:

1)    payment of $50,000 by August 6, 2002

2)    payment of $25,000 by December 31, 2002

3)    payment of $25,000 by March 31, 2002;

      In addition, pursuant to this Agreement, Geoworks hereby assigns any
payments due to Geoworks from SAIC pursuant to the Licensing Agreement with SAIC
for AirBoss executed by SAIC on 10/17/01. In connection with the assignment,
Geoworks will promptly execute any required documentation necessary to advise
and compel SAIC to make any payments under this agreement directly to Telcordia.
Geoworks authorizes Telcordia to act as its agent in dealing with SAIC
concerning tracking and accounting for these sums/royalties, and Geoworks will
not be responsible for collecting any such sums on behalf of Telcordia as
Telcordia is hereby authorized to collect such royalties/payments. Telcordia
shall not be deemed a successor in interest under the Licensing Agreement, nor
shall it assume any responsibility other than of collection under said
agreement.

      Third, except as set forth in this Agreement there are no other sums due
to Telcordia from Geoworks in connection with Geoworks' historical use of
Telcordia facilities or under the Value Added Reseller Agreement dated November
21, 2000 (the "VAR Agreement") other than the $100,000 payment and assignment
referred to above.

<PAGE>

      Fourth, Telcordia and Geoworks agree that the expiration date of the VAR
Agreement shall be constricted from November 20, 2003 to August 1, 2002 without
right of renewal. Only those obligations that survive the VAR by its express
terms and Telcordia's right to collect sums due under this Agreement shall
survive expiration of the VAR Agreement.

      Fifth, Geoworks certifies that the party executing this agreement by
signing the bottom of this letter has the authority to execute this Agreement,
that this Agreement been authorized by Geoworks pursuant to appropriate
corporate action including a resolution of its board of directors if required,
that the agreement does not violate the rights of any third party, and Geoworks
is authorized to execute this Agreement under applicable law.

      If the foregoing is acceptable, please sign and return a copy of this
letter. Upon return of a signed agreement by facsimile Geoworks shall make the
first payment reflected above via wire transfer. Please also return one signed
original of this agreement.

      Sincerely,
      Geoworks, Inc.

      \s\
      ----------------------------------
      Timothy Toppin, CFO

      Accepted and Acknowledged:
      Telcordia Technologies, Inc.

      \s\ Robert Freda for
      -------------------------------
      Peter Tomasi
      Executive Director,
      Credit and Operations

      Date: August 2, 2002EXHIBIT 10.1

                       [TRANSLATION FROM HEBREW LANGUAGE]

                                    Agreement

      Entered into and signed in Petach Tikva on the 12th day of June 2002

                                    between:

            1.    Mati Properties and Construction Ltd., PC 51-1909806
                  by its manager, Mr. Yigal Yanai
                  whose address for the purposes of this agreement is:
                  59 Even Gevirol St., Rosh Ha'ayin
                  (hereinafter: 'Mati Properties')

            2.    Boaz Avrahami, ID 05623479-2
                  by his attorney-in-fact, Mr. Meir Avrahami
                  whose address for the purposes of this agreement is:
                  6 Rahash St., Hadera
                  (hereinafter: 'Avrahami')

            Mati Properties and Avrahami jointly and severally,

            (Mati Properties and Avrahami shall be called hereinafter: the
            'Sellers')

                                                   the parties of the first part

                                      and:

              Isramco Inc. - Israel branch,
              a foreign company, no. 56-000964-9
              whose address for the purposes of this agreement is:
              8 Granite St., Petach Tikva
              (hereinafter: the 'Buyer')

                                                    the party of the second part

Whereas The Sellers are the registered owners of the parcel of land known as lot
      2, block 6350, with a registered area of 31,879 sq. m., located in Segula,
      Petach Tikva (hereinafter: the 'Lot') as evidenced by the Israel Land
      Registry Office (the "Land Registry") abstract of title, a copy of which
      is attached to this agreement and marked Appendix A; and

Whereas The Sellers wish to sell and transfer to the Buyer all their rights in
      the Lot, and the Buyer wishes to purchase and receive by transfer from the
      Seller, all of the Sellers rights in the Lot, all under the terms and for
      the consideration as set forth below in this Agreement;

Therefore, it is agreed, declared and stipulated between the parties as follows:

1.    The preamble and attachments, exhibits and appendices to this agreement
      are an integral part thereof.

<PAGE>

2.    The Sellers hereby sell to the Buyer, and the Buyer purchases and receives
      from the Sellers, the Lot and all of the Sellers' rights in the Lot under
      terms and for payment as set forth below in this Agreement.

3.    The Sellers hereby declare and warrant as follows:

      a.    That they are the legal and registered owners of the Lot, as
            follows: : Avrahami -being the owner of a 3/32 portion of the Lot
            and Mati Properties - being the owner of a 29/32 portion of the Lot.

      b.    That various equipment belonging to the Sellers and/or their agents
            is currently stored and shall remain on that portion of the Lot
            which is to be leased to the Sellers by the Buyer as set forth in
            section 16 below.

      c.    That subject to sub-section b above, the Lot is free of any and all
            encumbrances and/or liens and/or third party rights and shall be
            transferred to the Buyer and registered in the Buyer's name in the
            Land Registry,

4.    The Buyer declares and confirms as follows:

      a.    That it has seen and inspected the Lot, its location, its zoning and
            its legal and planning status, and has found the Lot suitable for
            its needs and that it does not and shall not have any claim against
            the Sellers on the grounds of unsuitability.

      b.    That it has been informed by the Sellers that the land is
            agricultural land.

      c.    That it has received notice from the Sellers that waste or refuse is
            situated on the Lot, most of which has been removed by the Sellers.
            However, as of the date of the execution of this Agreement waste is
            present on a portion of the Lot and that Buyer is purchasing the Lot
            in "As Is" condition, subject to the terms set forth in section 13
            below.

5.    As consideration for the Lot and subject to performance of all the other
      obligations of the Sellers under this agreement, Buyer shall pay to the
      Sellers US$ 1,800,000 (One Million Eight Hundred Thousand United States
      Dollars), payable in New Israel Shekel (NIS) (hereinafter: the
      'Consideration'), plus Israel Value Added Tax ("VAT"), as required by law.

6.    The Consideration shall be paid as follows:

      a.    Immediately after registration of a warning notation on the title in
            favor of the Buyer in the Land Registry , the Buyer shall pay to the
            Sellers the NIS equivalent of US$ 1.2 million (One Million Two
            Hundred Thousand United States Dollars), plus VAT as required by
            law.

            In accordance with the instructions of the Sellers, the sum stated
            in sub-section (a) above shall be transferred in full to Mati
            Properties, upon receipt of a tax invoice as required by law.

                                       2
<PAGE>

      b.    The balance of the Consideration, in an amount equal to US$ 600,000
            (Six Hundred Thousand United States Dollars), shall be paid by bank
            check no later than six months after the date of signing this
            Agreement, subject to and against receipt of the certificates and
            documents from the Sellers required for transferring the Lot into
            the name of the Buyer in the Land Registry Office, as detailed
            below:

            1.    Property transfer tax certificate

            2.    Certificate from Petach Tikva Municipality (including
                  confirmation in respect of Betterment Charge)

            3.    Betterment Tax and Sales tax certificate

            4.    Deeds of Sale signed by the Sellers and certified by their
                  attorney

            5.    Power of attorney as set forth in section 10 of this Agreement

            6.    A Resolution of the Board of Directors of Mati Properties in
                  respect of the sale of its portion of the Lot to the Buyer,
                  such resolution duly verified by an attorney or accountant

            In accordance with the Sellers' instructions, the sum tendered in
            sub-section (b) above shall be transferred to the Sellers such that
            Mati Properties receive the balance due in the amount of US$
            491,250, plus VAT as required by law, in exchange for delivery of a
            tax invoice, and the NIS equivalent of US$ 168,750 shall be
            transferred to Avrahami. In respect of the said share of Avrahami in
            the Consideration, the Buyer shall issue his own invoiced in
            accordance with regulation 6 (b) of the VAT Regulations (1976) and
            shall report to the VAT authorities as required by law.

      d.    All payments shall be made in New Israel Shekels in accordance with
            the representative rate for dollar exchange on the date of payment.

      e.    In the event of delay on the part of the Buyer in effecting a
            required payment (or any part thereof) , the Buyer shall pay the
            Sellers interest at the rate of 1% per month on the dollar figure of
            such portion of the Consideration, in respect of the period of the
            delay, in addition to and without derogating from the right of the
            Sellers to enforce the Agreement and Sellers' other remedies under
            this Agreement or under law.

      f.    A delay of over 14 days in effecting any payment and/or performance
            of any material obligation shall represent a material breach of this
            Agreement.

      g.    The party committing a material breach of this Agreement shall pay
            the performing party , and/or a party willing to perform the terms
            and conditions of the Agreement, liquidated damages at a rate
            equivalent to 15% (fifteen percent) of the Consideration. The
            parties represent that this sum is constitutes a reasonable estimate
            of the anticipated damage that may likely result from a material
            breach of the Agreement, as can be estimated by the parties at the
            time of preparation of this Agreement. Payment of the compensation
            set forth above shall not derogate from the right of the

                                       3
<PAGE>

            injured party to any other or any additional remedy under this
            Agreement and/or under law.

      h.    The Sellers shall notify Buyer, upon seven days advance notice, of
            the obtaining of all certificates and documents as detailed in
            sub-section (b) above, and the Buyer undertakes to pay the entire
            balance of the Consideration within seven days of such notification
            by Sellers, in exchange for the forwarding to Buyer's representative
            of all of the certificates and documents.

      i.    In the event that the certificates (as set forth in sub-section (h)
            above) are not so produced within six months of the date of
            execution of this Agreement, without derogating from sub-section (j)
            below, payment of the balance of the Consideration shall be delayed
            until such time as such certificates are produced. j. Any delay in
            producing the documents and certificates detailed in sub-section (b)
            above for reasons that are dependent upon and/or related to the
            Sellers shall be considered to be a material breach of this
            Agreement.

      k.    In the event that the Sellers do not effect any payment which they
            are obligated to pay hereunder and which is required in order to
            obtain the certificates for the transfer of title to the Lot into
            the name of the Buyer, the Buyer shall be permitted (but not
            required) to make the payment on behalf of the Sellers from the
            balance of the Consideration owing to the Sellers , without
            derogating from any other right and/or remedy afforded the Buyer
            hereunder or under law.

7.    All taxes, fees, municipal taxes and charges that currently and/or shall
      apply to the Lot up to the date upon which possession of the Lot is given
      to the Buyer shall be an obligation of and shall be paid by the Sellers,
      and from such date upon which Buyer receives possession of the Lot, such
      obligation shall be incumbent upon and paid by the Buyer. Any Betterment
      charge, if imposed up to the date of execution of this Agreement, shall be
      the obligation of and shall be paid by the Sellers, and if imposed after
      the date of execution of this Agreement, shall become the obligation of
      and shall be paid by the Buyer.

8.    Possession of the Lot shall be transferred to the Buyer upon the execution
      of this Agreement.

9.    Attached hereto is a resolution of the Board of Directors of Mati
      Properties and a resolution of the Board of Directors of the Buyer in
      respect of the sale/purchase of the Lot.

10.   At the time of signing this agreement, the Sellers shall sign an
      irrevocable power of attorney under which they empower attorneys Noa
      Landner and/or Yigal Karat and/or Hagit Bernstein to take all actions
      necessary to transfer ownership of the Lot to the Buyer. The above
      attorneys shall transfer ownership of the Lot to the Buyer's name at the
      Land Registry only subsequent to payment in full of the Consideration to
      the Sellers, in accordance with the terms and conditions set forth in this
      Agreement.

                                       4
<PAGE>

      It is agreed by the parties that the giving of this power of attorney
      shall not absolve the Sellers of any obligation to sign document
      themselves, if so required.

11.   a.    Betterment tax or income tax in respect of the transaction
            hereunder, as well as sales tax, shall be an obligation of o and
            shall be paid by the Sellers.

      b.    Purchase tax shall be an obligation of and shall be paid by the
            Buyer.

      c.    Each party shall pay the fees of their own attorneys.

12.   a.    The Sellers undertake to transfer ownership of the Lot under the
            Buyer's name at the Land Registry office located in Petach Tikva not
            later than six months from the date of execution this Agreement, in
            exchange for receiving the Consideration in full from the Buyer as
            set forth herein.

      b.    Notwithstanding sub-section (a) above, the parties agree that should
            there be any delay in producing the documents required for the
            transfer due to reasons that are not connected with the Sellers, the
            date for the transfer on the books of Land Registry as set forth in
            sub-section (a) above shall be postponed accordingly. For the sake
            of avoiding any possible doubt, the parties agree that the said date
            shall not be postponed because of any dispute between the Sellers
            and the authorities with regard to betterment tax charges or any
            other similar charges, and it will be incumbent upon the Sellers to
            pay and/or guarantee such charges in another manner, in order to
            comply with the undertakings of this sub-section on the due date.

      c.    The parties agree that the Sellers shall be considered as having
            performed their obligation to transfer ownership in the Lot under
            sub-section (a) above upon depositing with the Buyer (or the Buyer's
            representative, if so instructed by the Buyer), all documents
            required from the Sellers in order to transfer ownership of the Lot
            into the Buyer's name, with the Lot being free of lien, encumbrance,
            mortgage or any third party right.

13.   The parties agree that all of the Sellers' rights to claim against Petach
      Tikva Municipality and/or any other third party, in anything regarding and
      relating to the Lot and/or the rights therein and/or the use thereof
      and/or appropriate usage charges and/or the dumping of waste on the Lot
      and/or its non-removal, including any expense and/or payment and/or damage
      caused to the Sellers in this regard, are hereby assigned and endorsed to
      the Buyer. However, the parties agree that any sum received by the Sellers
      from anything regarding and relating to the claims and actions set forth
      above in this sub-section, (whether through legal process, by compromise
      or in any other way), less legal fees, shall be shared between the Sellers
      and the Buyer in such a manner that the Sellers shall be entitled to 1/3
      of any sum received , and Buyer shall be entitled to 2/3 of such sum.

      The Sellers undertakes to help the Buyer to the best of their ability in
      any way involves and is related to the such claim, including producing any
      document, receipt or certificate required.

                                       5
<PAGE>

      For the sake of avoiding any possible doubt, the parties agree that the
      Buyer alone shall be entitled to in his name and at his expense, claim
      and/or manage any legal or other process in everything relating to and
      regarding the waste, and to agree to any compromise in his sole and
      absolute discretion in any such process or procedure. However, there is no
      obligation hereunder imposed upon the Buyer to make any claim and/or
      manage any legal process.

14.   a.    A party making any payment that is incumbent on the other party
            under this agreement shall be entitled to its repayment and/or its
            off-set, along with linkage differentials and interest as set forth
            in applicable law.

      b.    The parties undertake to take every action, produce every
            certificate and sign every document required in order to fulfill the
            terms and conditions of this Agreement.

15.   Any waiver, reduction or extension given by either party shall not be
      valid unless given in writing and signed. Failure by either party to
      exercise any of its rights under this Agreement shall not be considered to
      be a waiver of such rights. Any modification of this Agreement shall not
      be valid unless made in writing and signed by both parties.

16.   The parties agree that at the time this Agreement is executed a rental
      agreement shall be signed between them in the form attached as Appendix B,
      by which the Buyer shall lease the Lot to the Sellers under the terms and
      conditions and for the payment specified in such rental agreement.

17.   The addresses of the parties are as set forth in the preamble to this
      agreement and any notification with regard to this Agreement shall be sent
      by one party to the other by registered mail or delivered by hand, and
      such notification shall be considered to have been received by the
      addressee within four days of being dispatched by mail , or on being
      handed over if delivered by hand.

In witness whereof, the parties have affixed their signatures:

/s/ Jackob Maimon

/s/ Eli Fisch              /s/ Meir Avrahami            /s/ Yigal Yanai
----------------------     -----------------------      ------------------------
Isramco, Inc.              Boaz Avrahami                Mati Properties
                           by his attorney-in-fact      and Construction Ltd.
                           Meir Avrahami

                                       6

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