Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735547 | Anti-photographic/photocopy imaging process and product made by same | Fredric T. Morelle | 1998-04-07 |
| 5193853 | Nonreplicable document and method for making same | — | 1993-03-16 |
| 5018767 | Counterfeit protected document | — | 1991-05-28 |
| 4684593 | Secure and self-verifiable image | — | 1987-08-04 |
| 4632430 | Secure and self-verifiable image | — | 1986-12-30 |