Document:

<PAGE>   1
                                                                     EXHIBIT 4.1

COMMON STOCK                                                        COMMON STOCK

                                  [COSINE(TM)
COS                           COMMUNICATIONS LOGO]

INCORPORATED UNDER THE LAWS                  SEE REVERSE FOR CERTAIN DEFINITIONS
 OF THE STATE OF DELAWARE                             CUSIP 221222 10 2

This Certifies that

is the record holder of

   FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, $.0001 PAR VALUE, OF

                          COSINE COMMUNICATIONS, INC.

transferable on the books of the Corporation by the holder hereof in person or
by duly authorized attorney, upon surrender of this Certificate properly
endorsed. This certificate is not valid until countersigned and registered by
the Transfer Agent and Registrar.

        IN WITNESS WHEREOF the Corporation has caused this certificate to be
signed in facsimile by its duly authorized officers and a facsimile of its
corporate seal.

Dated:

                          COSINE COMMUNICATIONS, INC.

                                   CORPORATE
/s/ [SIGNATURE ILLEGIBLE]            SEAL              /s/ [SIGNATURE ILLEGIBLE]
-------------------------            JUNE              -------------------------
    ASSISTANT SECRETARY              2000                  PRESIDENT
                                   DELAWARE

COUNTERSIGNED AND REGISTERED:
        CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
                TRANSFER AGENT AND REGISTRAR

BY

                            AUTHORIZED SIGNATURE

<PAGE>   2
                          COSINE COMMUNICATIONS, INC.

     THE CORPORATION WILL FURNISH WITHOUT CHARGE TO EACH STOCKHOLDER WHO SO
REQUESTS, A FULL STATEMENT OF THE DESIGNATIONS, RELATIVE RIGHTS, PREFERENCES
AND LIMITATIONS OF EACH CLASS OF STOCK OR SERIES THEREOF AUTHORIZED TO BE
ISSUED AND THE AUTHORITY OF THE BOARD OF DIRECTORS OF THE CORPORATION TO
DESIGNATE AND FIX THE RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF CLASSES
OF PREFERRED STOCK IN SERIES.

     The following abbreviations, when used in the inscription of the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM - as tenants in common
TEN ENT - as tenants by the entireties
JT WROS - as joint tenants with right
          of survivorship and not as
          tenants in common

UNIF GIFT MIN ACT       ------  Custodian   -------
                        (Cust)              (Minor)

                  under Uniform Gifts to Minors
 Act
    ---------------
        (State)

Additional abbreviations may also be used though not in the above list.

     For value received, ___________________ hereby sell, assign and transfer
unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
   IDENTIFYING NUMBER OF ASSIGNEE
         [      -  -    ]

________________________________________________________________________________

________________________________________________________________________________
                  (Please print or typewrite name and address
                     including postal zip code of assignee)

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________ Shares

of the Common Stock represented by the within Certificate, and do hereby
irrevocably constitute and appoint ____________________________________________
_______________________________________________________________________ Attorney
to transfer the said Shares on the Books of the within-named Corporation with
full power of substitution in the premises.

Dated: _________________________

                                  _____________________________________________
                                  Signed: The signature to this assignment
                                  must correspond with the name as written
                                  upon the face of the certificate in every
                                  particular, without alteration or enlargement,
                                  or any change whatever.

SIGNATURE(S) GUARANTEED;
                         __________________________________________________
                         THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE
                         GUARANTOR INSTITUTION (BANKS, STOCKHOLDERS, SAVINGS
                         AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH
                         MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE
                         MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.<PAGE>   1
                                                                    Exhibit 4(h)

                            HANOVER FOODS CORPORATION

                                     WAIVER

                 RE: NOTE AGREEMENT DATED AS OF DECEMBER 1, 1991

                                                                     Dated as of
                                                                   July 28, 2000

Allstate Life Insurance Company
3075 Sanders Road, Suite G3B
Northbrook, Illinois 60062

Attention: Private Placement Department

Ladies and Gentlemen:

Reference is made to the Note Agreement, dated as of December 1, 1991, as
amended (the "Note Agreement"), pursuant to which Hanover Foods Corporation, a
Pennsylvania corporation (the "Corporation"), issued $25,000,000 principal
amount of its Senior Notes due March 15, 2007. Capitalized terms used herein and
not otherwise defined shall have the meanings given thereto in the Note
Agreement.

The Corporation requests that you waive compliance with a certain provision of
the Note Agreement.

NOW, THEREFORE, in consideration of the premises and other good and sufficient
consideration, the Corporation agrees with you as follows:

SECTION 1        WAIVER OF COMPLIANCE WITH SECTION 5.6(a) OF THE NOTE AGREEMENT

The Corporation is currently in noncompliance with Section 5.6(a) of the Note
Agreement that requires the Corporation, at the end of each fiscal year, keep
and maintain the ratio of Consolidated Current Assets to Consolidated Current
Liabilities at not less than 1.25 to 1.00. As of May 28, 2000, the ratio of
Consolidated Current Assets to Consolidated Current Liabilities was 1.09 to
1.00. The Corporation hereby requests that you waive such noncompliance for the
fiscal year ending May 28, 2000 and you hereby consent to such waiver.

SECTION 2        REPRESENTATIONS AND WARRANTIES

The Corporation hereby represents and warrants that, other than the Event of
Default specifically waived herein, no Default or Event of Default has occurred
and is continuing

SECTION 3        MISCELLANEOUS

         3.1      Headings. The headings of the sections of this Waiver are for
purposes of convenience only and shall not be construed to affect the meaning or
construction of any of the provisions hereof.

         3.2      Governing Law. This Waiver shall be governed by and construed
in accordance with the laws of the State of Pennsylvania.

                                      -21-
<PAGE>   2
         3.3      Ratification. Except to the extent expressly hereby modified
or amended, the Note Agreement is in all respects hereby ratified, confirmed,
and approved by the parties hereto.

         3.4      Effective Date of Waiver. This Waiver shall be effective when
signed and delivered by the parties hereto.

Please signify your consent to this Waiver of the Note Agreement between you and
the Corporation by signing and returning this Waiver.

                                             HANOVER FOODS CORPORATION

                                             /s/ Edward L. Boeckel Jr.
                                             ----------------------------------
                                             Its Treasurer

Accepted as of the date first above written.

ALLSTATE, LIFE INSURANCE COMPANY

By  /s/ illegible signature
  -------------------------------

By  /s/ illegible signature
  -------------------------------

                                      -22-<PAGE>   1
                                  EXHIBIT 10(q)

                 AMENDMENT NO. 3 TO EMPLOYMENT AGREEMENT BETWEEN
                 HANOVER FOODS CORPORATION AND JOHN A. WAREHIME

     This document, dated as of April 1, 2000, shall constitute Amendment No. 3
to an Employment Agreement dated as of June 12, 1995 (the "Employment
Agreement") between Hanover Foods Corporation (the "Employer") and John A.
Warehime (the "Employee").

                                   Background

     As of June 12, 1995, Employer and Employee entered into the Employment
Agreement, which Employment Agreement was amended by Amendment No. 1 dated as of
February 13, 1997 and Amendment No. 2 dated as of August 1, 1997. The term
"amended Employment Agreement" refers to the Employment Agreement dated as June
12, 1995 and amended by Amendment No. 1 dated as of February 13, 1997 and by
Amendment No. 2 dated as of August 1, 1997. The parties desire to further amend
the Employment Agreement as set forth herein.

     NOW, THEREFORE, the parties, intending to be legally bound, agree as
follows:

     1.   Change to Section 29.2. Section 29.2 is hereby amended to read in full
          as follows:

     "29.2 Settlement of Disputes. Any claims, controversies, demands, disputes
or differences between or among the parties hereto or any persons bound hereby
arising out of, or by virtue of, or in connection with, or relating to this
Agreement shall be submitted to and settled by arbitration in the Commonwealth
of Pennsylvania and County of Philadelphia. Such arbitration shall be conducted
in accordance with the then prevailing rules of the American Arbitration
Association by one independent and impartial arbitrator appointed by the
American Arbitration Association, who shall be a former judge. All
pre-arbitration discovery shall be completed within 90 days of the request for
arbitration. The arbitrator shall render his award within 90 days of the
conclusion of the arbitration hearing. The provisions of Section 28 hereof shall
govern the arbitration. Any award rendered by the arbitrator shall be final and
binding, and not subject to appeal or other judicial review, and judgment hereon
may be entered in any court of competent jurisdiction. Nothing contained herein
shall restrict the Employer from seeking equitable remedies in a court of
competent jurisdiction for any alleged violations of the provisions of Section
10 hereof."

     2.   Amended Employment Agreement Continues in Full Force and Effect

     There are no amendments to the Employment Agreement, as previously amended
by Amendment No. 1 dated as of February 13, 1997 and Amendment No. 2 dated as of
August 1, 1997, except as specified herein. The amended Employment Agreement, as
further amended further, shall continue in full force and effect and constitutes
the entire understanding of the parties with respect to its subject matter.

     IN WITNESS WHEREOF, the parties have executed this Amendment No. 3 on this
day and year first above written.

ATTEST/WITNESS:                               HANOVER FOODS CORPORATION

/s/ Patricia H. Townsend                      /s/ Gary T. Knisely        (SEAL)
--------------------------------              ---------------------------

WITNESS/ATTEST:                               EMPLOYEE:

/s/ Patricia J. Weaver                        /s/ John A. Warehime       (SEAL)
--------------------------------              ---------------------------

                                      -23-

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