Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5394470 | Horizontal pulse augmentation of a video signal | William J. Buynak, Eugene Leonard, Graham S. Stubbs | 1995-02-28 |
| 5034981 | Anti-copying video signal processing | Eugene Leonard, Bill Perlman, William R. Dolson | 1991-07-23 |
| 4914694 | Modifying a television signal to inhibit recording/reproduction | Eugene Leonard, Bill Perlman, William R. Dolson | 1990-04-03 |
| 4242707 | Digital scene storage | — | 1980-12-30 |