Patents
Data-Conditioned Encryption Method
(Provably secure encryption system. U.S. Patent No. 8,712,040)
The Event Verification System™
(Tamperproof authentication of digital recordings. U.S. Patent No. 5,799,083)
EVS and secure electronic voting
(Automatic Interior Mailbox Light. U.S. Patent No. 5,975,713)
(The Environmental Ashtray. U.S. Patent No. 5,673,709)
(Fiber Optic Pull-String. U.S. Patent No. 5,454,056)
(Household Safety Socket. U.S. Patent No. 5,320,545)