Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5034981 | Anti-copying video signal processing | Eugene Leonard, Bill Perlman, Karoly Budai | 1991-07-23 |
| 4914694 | Modifying a television signal to inhibit recording/reproduction | Eugene Leonard, Bill Perlman, Karoly Budai | 1990-04-03 |