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                                                                     EXHIBIT 3.3

                                                           STATE OF DELAWARE
                                                           SECRETARY OF STATE
                                                        DIVISION OF CORPORATIONS
                                                       FILED 09:00 AM 06/07/1993
                                                           931585255 - 2158676

                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF

                    DCUSA CORPORATION

     DCUSA CORPORATION, a corporation organized and existing under and by
virtue of the General Corporation Law of the State of Delaware.

DOES HEREBY CERTIFY:

     FIRST: That at a meeting of the Board of Directors of DCUSA CORPORATION
resolutions were duly adopted setting forth a proposed amendment of the
Certificate of Incorporation of said corporation, declaring said amendment to
be advisable and calling a meeting of the stockholders of said corporation for
consideration thereof. The resolution setting forth the proposed amendment is
as follows:

     RESOLVED, that the Certificate of Incorporation of this corporation be
amended by changing the Article numbered "THE FIRST" so that, as amended said
Article shall be and read as follows:

The name of the corporation is: ReDox Technology Corporation

     SECOND: That thereafter, pursuant to resolution of its Board of Directors,
a special meeting of the stockholders of said corporation was duly called and
held, upon notice in accordance with Section 222 of the General Corporation law
of the State of Delaware at which meeting the necessary number of shares as
required by statute were voted in favor of the amendment.

     THIRD: That said amendment was duly adopted in accordance with the
provisions of Section 242 of the General Corporation Law of the State of
Delaware.

     FOURTH: That the capital of said corporation shall not be reduced under or
by reason of said amendment.

     FIFTH: This amendment shall become effective upon filing.

     IN WITNESS WHEREOF, said DCUSA CORPORATION has caused this certificate to
be signed by its President, and its Secretary, this 1st day of June, 1993.

                                             BY:  /s/ RICHARD SZYMANSKI
                                                ---------------------------
                                                    President

                                             ATTEST:  /s/ RICHARD SZYMANSKI
                                                   ------------------------
                                                    Secretary
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                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF

                    DCUSA CORPORATION

     DCUSA CORPORATION, a corporation organized and existing under and by
virtue of the General Corporation Law of the State of Delaware.

DOES HEREBY CERTIFY:

     FIRST: That at a meeting of the Board of Directors of DCUSA CORPORATION
resolutions were duly adopted setting forth a proposed amendment of the
Certificate of Incorporation of said corporation, declaring said amendment to
be advisable and calling a meeting of the stockholders of said corporation for
consideration thereof. The resolution setting forth the proposed amendment is
as follows:

     RESOLVED, that the Certificate of Incorporation of this corporation be
amended by changing the Article numbered "THE FIRST" and "THE SECOND" so that,
as amended said Article shall be and read as follows:

     The name of the corporation is: ReDox Technology Corporation

     The name of the Registered Agent therein and in charge thereof upon whom
process against this corporation may be served, is Harvard Business Services,
Inc. The address of the Registered agent is 25 Greystone Manor, Lewes, DE
19958-9776.

     SECOND: That thereafter, pursuant to resolution of its Board of Directors,
a special meeting of the stockholders of said corporation was duly called and
held, upon notice in accordance with Section 222 of the General Corporation law
of the State of Delaware at which meeting the necessary number of shares as
required by statute were voted in favor of the amendment.

     THIRD: That said amendment was duly adopted in accordance with the
provisions of Section 242 of the General Corporation Law of the State of
Delaware.

     FOURTH: That the capital of said corporation shall not be reduced under or
by reason of said amendment.

     FIFTH: This amendment shall become effective upon filing.

     IN WITNESS WHEREOF, said DCUSA CORPORATION has caused this certificate to
be signed by its President, and its Secretary, this 1st day of June, 1993.

                                             BY:  /s/ RICHARD SZYMANSKI
                                                ---------------------------
                                                    President

                                             ATTEST:  /s/ RICHARD SZYMANSKI
                                                   ------------------------
                                                    Secretary