Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682159 | Method and apparatus for reducing phase lag resulting from digital to analog conversion | William Proctor, Vernon L. Knowles | 1997-10-28 |
| 4823212 | Sampled servo code format and system for a disc drive | Vernon L. Knowles | 1989-04-18 |