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                                                                    Exhibit 10.2

                                   ASSIGNMENT

         WHEREAS International Medical Associates, Inc., of Miami, Florida, is
the owner of the entire right, title and interest in and to the following United
States Letters Patent:

Patent No:                         Patent Date
----------                         -----------

5,405,614                           April  11,  1995

and the inventions therein described;

         AND WHEREAS, Americare Technologies, Inc., doing business at 20 N.W.
181st Street, Miami, Florida 33169, is desirous of acquiring the entire interest
in said invention, and in said United States Letters Patent;

         NOW THEREFORE, be it known that for and in consideration of a contract
between International Medical Associates, Inc. and Americare Technologies, Inc.,
and other valuable consideration, the receipt and sufficiency whereof are hereby
acknowledged; International Medical Associates, Inc. has sold, assigned and
transferred, and by these presence does sell, assign and transfer unto Americare
Technologies, Inc., its legal representatives~ successors and assigns, the full
and exclusive rights to the said invention as fully set forth and described in
the above-mentioned Letters Patent of the United States, and any and all
reissues of said Letters Patent, the same to be held and enjoyed by Americare
Technologies, Inc., its legal representatives, successors and assigns, to the
full end of the term for which said Letters Patent has been granted or may be
reissued or extended, as fully and entirely the same would have been held by
International Medical Associates, Inc. had this Assignment and sale not been
made.

IN TESTIMONY WHEREOF, we have hereunto set our hands and seals this 23 day of
June, 1997.

                                       INTERNATIONAL  MEDICAL ASSOCIATES, INC.

                                       By: /s/ Joseph P. D'Angelo
                                           -------------------------------------
                                           Joseph P. D'Angelo
                                           President<PAGE>
                                                                    Exhibit 10.3

                                   ASSIGNMENT

         WHEREAS International Medical Associates, Inc., of Miami, Florida. is
the owner of the entire right, title and interest in and to the following United
States Letters Patent:

Patent No:                         Patent Date
----------                         -----------

5,505,957                           April 9, 1996

and the inventions therein described;

         AND WHEREAS, Americare Technologies, Inc., doing business at 20 N.W.
181st Street, Miami, Florida 33169, is desirous of acquiring the entire interest
in said invention, and in said United States Letters Patent;

         NOW THEREFORE, be it known that for and in consideration of a contract
between International Medical Associates, Inc. and Americare Technologies, Inc,
and other valuable consideration, the receipt and sufficiency whereof are hereby
acknowledged; International Medical Associates, Inc. has sold, assigned and
transferred, and by these presence does sell, assign and transfer unto Americare
Technologies, Inc., its legal representatives, successors and assigns, the full
and exclusive rights to the said invention as fully set forth and described in
the above-mentioned Letters Patent of the United States, and any and all
reissues of said Letters Patent, the same to be held and enjoyed by Americare
Technologies, Inc., its legal representatives, successors and assigns, to the
full end of the term for which said Letters Patent has been granted or may be
reissued or extended, as fully and entirely the same would have been held by
International Medical Associates, Inc. had this Assignment and sale not been
made.

IN TESTIMONY WHEREOF, we have hereunto set our hands and seals this 23 day of
June, 1997.

                                       INTERNATIONAL MEDICAL ASSOCIATES, INC.

                                       By: /s/ Joseph P. D'Angelo
                                           -------------------------------------
                                           Joseph P. D'Angelo
                                           President<PAGE>
                                                                    Exhibit 10.4

                                   ASSIGNMENT

         WHEREAS International Medical Associates, Inc., of Miami, Florida, is
the owner of the entire right, title and interest in and to the following United
States Letters Patent:

Patent No:                         Patent Date
----------                         -----------

5,336,213                           August  9,  1994

and the inventions therein described;

         AND WHEREAS, Americare Technologies, Inc., a Florida Corporation doing
business at 20 N.W. 181st Street, Miami, Florida 33169, is desirous of acquiring
the entire interest in said invention, and in said United States Letters Patent;

         NOW THEREFORE, be it known that for and in consideration of a contract
between International Medical Associates, Inc., and Americare Technologies,
Inc., and other valuable consideration, the receipt and sufficiency whereof are
hereby acknowledged; International Medical Associates, Inc. has sold, assigned
and transferred, and by these presence does sell, assign and transfer unto
Americare Technologies, Inc., its legal representatives, successors and assigns,
the full and exclusive rights to the said invention as fully set forth and
described in the above-mentioned Letters Patent of the United States, and any
and all reissues of said Letters Patent, the same to be held and enjoyed by
Americare Technologies, Inc., its legal representatives, successors and assigns,
to the full end of the term for which said Letters Patent has been granted or
may be reissued or extended, as fully and entirely the same would have been held
by International Medical Associates, Inc., had this Assignment and sale not been
made.

         IN TESTIMONY WHEREOF, we have hereunto set our hands and seals this 23
day of June, 1997.

                                       International Medical Associates, Inc.

                                       By: /s/ Joseph P. D'Angelo
                                           -------------------------------------
                                           Joseph P. D'Angelo
                                           President<PAGE>
                                                                    Exhibit 10.5

                                   ASSIGNMENT

         WHEREAS International Medical Associates, Inc., of Miami, Florida, is
the Owner of the entire right, title and interest in and to the following United
States Letters Patent:

     Patent No:                                Patent Date
     ----------                                ------------
     5,756,117                                 May 26, 1998

and the inventions therein described;

         AND WHEREAS, Americare Health Scan, Inc., doing business at 20 N.W.
181st Street, Miami, Florida 33169, is desirous of acquiring the entire interest
in said invention, and in said United States Letters Patent;

         NOW THEREFORE, be it known that for and in consideration of a contract
between international Medical Associates, Inc. and Americare Health Scan, Inc.,
and other valuable consideration, the receipt and sufficiency whereof are hereby
acknowledged; International Medical Associates, Inc. has sold, assigned and
transferred, and by these presence does sell, assign and transfer unto Americare
Health Scan, Inc., its legal representatives, successors and assigns, the full
and exclusive rights to said invention as fully set forth and described in the
above-mentioned letters patent of the United States, and any and all reissues of
said letters patent, the same to be held and enjoyed by Americare Health Scan,
Inc., its legal representatives, successors and assigns, to the full end of the
term for which said letters patent has been granted or may be reissued or
extended, as fully and entirely the same would have been held by International
Medical Associates, Inc. Had this assignment and sale not been made. If
Americare Health Scan, Inc. shall become insolvent, or if bankruptcy proceedings
shall be begun by or against Americare Health Scan, Inc., ownership of the
above-referenced patent shall revert to the inventor, Joseph P. D'Angelo, D.D.S.

         IN TESTIMONY WHEREOF, we have hereunto set our hands and seals this
28th day of September, 2001.

International Medical Associates, Inc.

By: /s/ Joseph P. D'Angelo
    ---------------------------------
        Joseph P. D'Angelo, President<PAGE>
                                                                    Exhibit 10.6

                                   ASSIGNMENT

         Whereas Americare International Diagnostics, Inc. is the owner of the
entire right, title and interest in and to the following United States Letters
Patent:

     Patent No:                                Patent Date
     ----------                                -----------

     6,024,975                                 February 15, 2000

and the inventions therein described;

         AND WHEREAS, Americare Health Scan, Inc., doing business at 20 N.W.
181st Street, Miami, Florida 33169, is desirous of acquiring the entire interest
in said invention, and in said United States Letters Patent;

         NOW THEREFORE, be it known that for and in consideration of a contract
between Americare International Diagnostics, Inc. and Americare Health Scan,
Inc., and other valuable consideration, the receipt and sufficiency whereof are
hereby acknowledged; Americare International Diagnostics, Inc. has sold,
assigned and transferred, and by these presence does sell, assign and transfer
unto Americare Health Scan, Inc., its legal representatives, successors and
assigns, the full and exclusive rights to the said invention as fully set forth
and described in the above-mentioned letters patent of the United States, and
any and all reissues of said letters patent, the same to be held and enjoyed by
Americare Health Scan, Inc., its legal representatives, successors and assigns,
to the full end of the term for which said letters patent has been granted or
may be reissued or extended, as fully and entirely the same would have been held
by Americare International Diagnostics, Inc. had this assignment and sale not
been made. If Americare Health Scan, Inc. shall become insolvent, or if
bankruptcy proceedings shall be begun by or against Americare Health Scan, Inc.,
ownership of the above-referenced patent shall revert to the Inventor, Joseph P.
D'Angelo, D.D.S.

         IN TESTIMONY WHEREOF, we have hereunto set our hands and seals this
28th day of September, 2001.

                                      Americare International Diagnostics, Inc.

                                      ------------------------------------------
                                      Joseph P. D'Angelo, President

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