Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012460 | RAM head positioning and tracking system | Steve Popovich, Russell Meyer, Christopher R. Miller, Gary R. Mitchell | 1991-04-30 |
| RE32937 | Modulation system for optical recording | Dorrel R. Silvy | 1989-05-30 |
| 4456981 | Modulation system for optical recording | Dorrel R. Silvy | 1984-06-26 |