Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845319 | Key switch assembly | Richard R. Watkins, Thomas R. Coey | 1989-07-04 |
| 4778952 | Key switch assembly | Richard R. Watkins, Thomas R. Coey | 1988-10-18 |
| 4582967 | Key switch assembly | Richard R. Watkins, Hans W. Daniel | 1986-04-15 |