Document:

Exhibit 10.4
      INVESTMENT BANKING AGREEMENT WITH EQUITY SECURITIES INVESTMENTS, INC.

                          INVESTMENT BANKING AGREEMENT

         This Agreement is made July 8, 2002, by and between Equity Securities
Investments, Inc. located at 701 Xenia Ave South, Suite 100, Minneapolis MN
55416 (hereinafter "Equity"), and Dental Resources, Inc. located at 530 South
River Street, Delano, MN 55328 (hereinafter the "Company").

         WHEREAS, the Company wishes to utilize the advice of Equity to assist
the Company in the sale of its operating assets;

         WHEREAS, Equity is willing to provide its services ("Services") to the
Company;

         NOW, THEREFORE, in consideration of the mutual promises contained
herein, the Company and Equity agree as follows:

                              Provision of Services
                  Equity agrees, to the extent reasonably required in the
                  conduct of the business of the Company, to place at the
                  disposal of the Company the following:

                           (i) Assistance in the, sale of the Company's primary
                           business and any negotiations related thereto;

                           (ii) Assistance in the identification and evaluation
                           of new strategic business opportunities;

                           (iii) Assistance in negotiating and structuring any
                           financial transaction(s) between the Company and any
                           strategic target.

                             Financial Consideration
         In the event that the Company completes any transaction with respect to
         the sale of its operating business, Company agrees to pay to Equity a
         fee equal to three percent (3%) of the stated transaction value of such
         sale at closing. Equity at its sole discretion may elect to receive
         part of its compensation in the form of the Company's common stock.

                               Liability of Equity
         In furnishing the Company with services as herein provided, Equity
         shall not be liable to the Company for errors of judgment or for any
         other action undertaken hereunder, unless such error or action involves
         willful malfeasance, bad faith or gross negligence in the performance
         of Equity's duties under the terms of this Agreement.

         It is further understood and agreed that Equity may rely upon
         information furnished to it by or on behalf of the Company to be
         accurate and reliable and that, except as hereinabove provided, Equity
         shall not be accountable for any loss suffered by the Company by reason
         of the Company's action or non-action on the basis of any of Equity's
         services.

         Company agrees to indemnify and pay any legal fees incurred by Equity
         or its principals for any legal or regulatory claims brought or
         threatened against Equity and/or its principals for their efforts in
         fulfilling this Agreement unless such legal fees arise out of any
         willful malfeasance, bad faith or gross negligence on the part of
         Equity in the performance of its duties under the terms of this
         Agreement.

                                Status of Equity
         Equity shall be an independent contractor and, except as expressly
         provided for or authorized in this Agreement, shall have no authority
         to act for or represent the Company.

                           Other Activities of Equity
         The Company recognizes that Equity now renders and may continue to
         render management advisory and other services to other companies which
         may or may not conduct business activities similar to those of the
         Company. Equity shall not be required to devote its full time and
         attention to the performance of the duties under this Agreement, but
         shall devote only so much of its time and attention as it deems
         reasonable or necessary for such purposes.

<PAGE>

                                     Control
         Nothing contained herein shall be deemed to require the Company to take
         any action contrary to its Articles of Incorporation or by-laws, or any
         applicable statute or regulation, or to relieve or deprive its Board of
         Directors of its responsibility for and control of the conduct and
         affairs of the Company.

                                      Term
         The term of this Agreement shall begin upon its execution and shall
         continue in effect for one (1) year.

                                   Termination
         This Agreement may be terminated at any time after one (1) year from
         the date of its execution upon thirty (30) days notice, at the option
         of either party. However, any merger or acquisition candidate
         introduced to the Company by Equity during the term of this Agreement
         will be protected under the compensation arrangements set forth in
         Section 2 of this Agreement for a period of three (3) years following
         the termination of this Agreement.

                                     Notice
         Notice of the intent of either party to terminate this Agreement will
         only be effective if written and delivered by certified mail, postage
         prepaid, or hand delivered to the Company or Equity, as the case may
         be, at the address set forth on Page 1 hereof.

                                  Miscellaneous
         This Agreement is executed in and shall be construed and interpreted
         according to the laws of the State of Minnesota.

         IN WITNESS WHEREOF, the parties have caused this Agreement to be signed
by their respective officers or representatives fully authorized and with the
full and complete approval of each respective Board of Directors on the date and
year first above written.

                                        EQUITY SECURITIES INVESTMENTS, INC.

                                        By:
                                           -----------------------------
                                            Edward Adams
                                            Its: President and CEO

                                        DENTAL RESOURCES, INC.

                                        By:
                                           -----------------------------
                                            Russell Felten
                                            Its: DirectorExhibit 10.5
                       DOUGLAS MURPHY EMPLOYMENT CONTRACT

                               EMPLOYMENT CONTRACT

         This Agreement made as of the 1st day of June, 2002, between Dental
Resources, Inc., a Minnesota corporation ("the Company") and Douglas B. Murphy
of Mound, Minnesota ("Murphy, D").

                                    RECITALS

         A. Murphy, D., is presently employed by the Company as President and
Chief Executive Officer.

         B. The parties are desirous of entering into a contract providing for
Murphy, D.' employment by the Company upon the terms and conditions set forth
below for the period beginning June 1, 2002.

         C. Murphy, D services have been of great value to the Company and has
recognized that substantial inducements must be offered to Murphy, D. so that
the Company may retain his services.

                                    AGREEMENT

         The following constitutes the agreement of the parties.

         1.       Employment. The Company shall employ Murphy, D.' as follows:

                  a.       Executive Employment. As its president, Murphy, D.
                           hereby accepts such employment for the period
                           beginning June 1, 2002 and ending May 31, 2007,
                           provided that either the Company or Murphy, D. may by
                           written notice to the other at any time subsequent to
                           May 31, 2007, terminate Murphy, D. employment as the
                           Company's president effective as of the first day of
                           the third month following such notice. The period
                           during which Murphy, D. serves as president shall be
                           referred to as the period of "Executive Employment".

                  b.       Other Employment. In the event Murphy, D. employment
                           as president of the Company is terminated as set
                           forth in Paragraph 1(a) above, the Company shall
                           offer Other Employment to Murphy, D. in such capacity
                           as the Board of Directors may designate, or as a
                           consultant. The salary shall be equal to fifty
                           percent (50%) of the average of Murphy, D.'s salary
                           for the last five years. The period, if any, during
                           which Murphy, D. so serves the Company shall be
                           referred to as the period of "Other Employment"

         2.       Duties. Murphy, D. agrees that he will serve the Company under
                  the direction of the Board of Directors, faithfully,
                  diligently, competently, and to the best of his ability until
                  his employment is terminated as herein provided.

                  a.       Executive Employment. During the period of Executive
                           Employment, he shall devote full time to his
                           employment and shall act as president or other chief
                           executive officer of the Company and shall perform
                           all duties incident to such office or offices and all
                           additional duties that the Board of Directors may
                           periodically assign to him. He shall also, during the
                           period of Executive Employment, serve in similar
                           capacities, and without additional compensation any
                           subsidiary of the Company that the Board of Directors
                           may select.

<PAGE>

                  b.       Other Employment. During any period of Other
                           Employment, Murphy, D. agrees to serve in the
                           capacity designated by the Board of Directors and to
                           perform all general duties that the Board of
                           Directors may, from time to time, reasonably require
                           of him. Such general duties, however, shall not be
                           inconsistent with position and title which he shall
                           then hold, shall not be those that are ordinarily and
                           generally performed by the Chief Executive, and shall
                           not be such as to constitute him the president. In
                           performing such duties, Murphy, D. shall report
                           directly to the Company's Board of Directors.

         3.       Compensation. The Company shall pay Murphy, D. the following:

                  a.       Executive Employment. The Company shall pay to
                           Murphy, D. a salary in an amount equal to his salary
                           at May 31, 2002 per year in equal weekly
                           installments, plus a bonus payable quarterly, equal
                           to five percent of the pre-tax net operating profits
                           of the Company plus future stock purchase agreements.
                           This base salary shall be adjusted annually to
                           reflect changes in the cost of living as established
                           by the Federal Reserve Bank for the Minneapolis,
                           Minnesota district.

                  b.       Other Employment. During the period of Other
                           Employment, if any, the Company shall pay to Murphy,
                           D. a yearly salary equal to fifty percent (50%) of
                           the average of his annual total earnings for the last
                           five years.

         4.       Termination of Executive Employment by Company.
                  Notwithstanding the above, the Company shall have the
                  following rights to terminate Murphy, D. Executive Employment:

                  a.       Disability. If Murphy, D. shall become unable to
                           perform the duties required of him because of serious
                           physical disability or other incapacity, the Company
                           may, upon at least 90 days' written notice, terminate
                           his Executive Employment. Such notice shall specify
                           whether or not Murphy, D. is to serve the Company for
                           a period of Other Employment. If Other Employment is
                           offered and thereafter terminated prior to May 31,
                           2007, Murphy, D. will be entitled to one year's
                           severance pay at the termination of Other Employment
                           whenever it occurs as provided in paragraph 5 (a)
                           below.

         5.       Termination of Other Employment by Company. Notwithstanding
                  anything hereinbefore provided, the Company shall have the
                  following rights to terminate Murphy, D.'s Other Employment at
                  any time on or after May 31, 2007:

<PAGE>

                  a.       Disability, If Murphy, D. s shall become unable to
                           perform his duties in accordance with this Agreement
                           due to serious physical disability or other
                           incapacity, the Company may, by giving at least 90
                           days' written notice, terminate his Other Employment.
                           If Other Employment is terminated under this
                           provision, Murphy, D. shall be entitled to receive as
                           severance pay an amount equal to his then current
                           salary and bonuses for the previous 12 months.

         6.       Effect of Termination of Executive Employment.

                  a.       Disability. If Murphy, D.'s Executive Employment is
                           terminated pursuant to this Agreement by reason of
                           disability, the Company shall pay to Murphy, D. for
                           the following twelve months from the date of the
                           notice, an amount equal to the average of this five
                           year annual compensation, including salaries and
                           bonuses.

                  b.       Voluntary Termination. In the event Murphy, D.
                           voluntarily terminates his Executive Employment with
                           the Company on or before May 31, 2007 by giving 90
                           days written notice of this intention to so
                           terminate, all rights under this Agreement which have
                           not vested, will terminate at the end of the notice
                           period.

                  c.       Without Cause. If Murphy, D. Executive Employment is
                           terminated, without cause, prior to May 31, 2007, his
                           executive salary as herein provide shall be paid
                           through May 31, 2007. If Murphy, D.'s Executive
                           Employment is terminated without cause, the right of
                           Murphy, D. and his estate to collect Executive Salary
                           through May 31, 2007, shall not be terminated by his
                           death or disability.

         7.       Effect of Termination of Other Employment.

                  If Murphy, D. performs Other Employment as defined hereunder
                  and is compensated therefor, his right to compensation shall
                  cease at the termination of Other Employment as hereinbefore
                  provided, except as to severance pay due him under paragraph 5
                  (a).

         8.       Death. Except as herein otherwise provided, if Murphy, D. '
                  Other Employment terminates by his death after May 31, 2007,
                  his Executive Salary shall be paid to his legal representative
                  to the end of the month in which he dies and shall then
                  terminate.

         9.       Consolidation or Merger. In the event of any consolidation or
                  merger of the Company into or with another corporation, after
                  the date of this Agreement, or the sale of all or

<PAGE>

                  substantially all of the Company's assets to another
                  corporation, after the date of this Agreement, such
                  corporation shall assume this contract and be obligated to
                  perform all of its terms and conditions, and Murphy, D.'s
                  obligations hereunder shall continue in favor of such
                  corporation. If such successor corporation terminates Murphy,
                  D.'s employment without cause, it shall be obligated to pay
                  his Executive Salary through May 31, 2007, and in addition, as
                  severance pay, shall pay Murphy, D. an amount equal to the
                  average of his five years' employment, including salary and
                  bonuses. However, the failure of either party to insist in any
                  one or more instances upon performance of any term or
                  condition of this contract shall not be construed as a waiver
                  or a relinquishment of any right granted hereunder or of the
                  future performance of any such term, covenant, or condition.
                  The obligations of either party with respect thereto shall
                  continue in full force and effect.

         10.      Notices Any notice to be given to the Company hereunder shall
                  be deemed sufficient if addressed to it in writing and
                  delivered or mailed by registered mail to its office at P.O.
                  Box 89, Delano, Minnesota 55328, or any other address that the
                  Company may hereafter designate.

                  Any notice to be given to Murphy, D. hereunder shall be deemed
sufficient if addressed to him in writing and delivered or mailed by registered
mail to him at 3730 Lee Road, Mound, MN 55364.

         11.      Successors and Assigns. This contract shall be binding upon
                  the Company's successor or successors and, unless clearly
                  inapplicable, any reference to the Company shall be deemed to
                  include its successor or successors. Except as herein
                  otherwise expressly provided, this contract shall be binding
                  upon and inure to the benefits of Murphy, D. , his legal
                  representatives, and assigns.

         12.      Entire Agreement. This Agreement supersedes all other
                  agreements previously made between the parties relating to its
                  subject matter. There are no other understandings or
                  agreements.

         13.      Headings. Headings in this Agreement are for convenience only
                  and shall not be used to interpret or construe its provisions.

         14.      Governing Law. This Agreement shall be construed in accordance
                  with and governed by the laws of the State of Minnesota.

         15.      Counterparts. This Agreement may be executed in two or more
                  counterparts, each of which shall be deemed an original but
                  all of which together shall constitute one and the same
                  instrument.

In witness whereof the parties hereto have duly executed this contract under
seal, in duplicate, on the day and year first written above.

                                   DENTAL RESOURCES, INC.

                                   By:
                                       -----------------------------------------
                                     Its:
                                          --------------------------------------

                                   ---------------------------------------------
                                   Douglas B. Murphy

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