Patents Available For License or Sale

4,795,171            SELF PRESSURIZED SHAFT OR CLOSURE SEAL

Contact:             L. James Ristas
                     Chilton, Alix & Van Kirk
                     750 Main Street
                     Hartford, Conn. 06103
                     (voice) : (860) 527-9211
                     (fax) : (860) 527-5029

5,402,999            BASKETBALL SAFETY RETURN

Contact:             Michael F. Petock
                     46 The Commons At Valley Forge
                     1220 Valley Forge Rd.
                     P.O. Box 856
                     Valley Forge, Pa. 19482-0856
                     (voice) : (610) 935-8600
                     (fax) : (610) 933-9300

5,441,183            VEHICULAR COMPARTMENTALIZER UNIT

Contact:             Michael J. Frenzel
                     7134 Richards Drive
                     Baton Rouge, La. 70809
                     (voice) : (504) 926-0560
                     (fax) : (504) 926-1509

5,489,165            EARTH RETAINER BEAM AND METHOD
                     (FOR BUILDING LINER PONDS)

Contact:             David J. Smith
                     Serenity Ponds & Streams
                     4488 Candleberry Ave.
                     Seal Beach, Calif. 90740
                     (voice) : (310) 430-5284

5,634,441            POWER TRANSFER MECHANISM

Contact:             W. Parker Ragain
                     3100 River Exchange Dr.
                     #616
                     Norcross, Ga. 30092
                     (voice) : (770) 242-7516

5,644,917            KINEMATIC STIRLING ENGINE

Contact:             Thomas McWaters
                     113 Miami Gardens Drive
                     Miami, Ariz. 85539