Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343529 | Transaction authentication using a centrally generated transaction identifier | Marvin Perlman, Robert Montgomery | 1994-08-30 |
| 4501957 | Verifier for a personal indentification system | Marvin Perlman | 1985-02-26 |
| 4376279 | Personal identification system | Marvin Perlman | 1983-03-08 |