Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351302 | Method for authenticating objects identified by images or other identifying information | Frank T. Leighton | 1994-09-27 |
| 5315658 | Fair cryptosystems and methods of use | — | 1994-05-24 |
| 5276737 | Fair cryptosystems and methods of use | — | 1994-01-04 |