Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6297462 | Rotary matrix switch | Timothy P. Johnston, Dana J. Koppes, Gary T. Brint | 2001-10-02 |
| 5581424 | Magnetic crash stop and latch in a disc drive | John C. Dunfield, Thomas A. Hickox | 1996-12-03 |
| 5262913 | Easily adjustable crash stop for a disc drive | Thomas A. Hickox | 1993-11-16 |
| 5187627 | Magnetic latch and crash stop | Thomas A. Hickox | 1993-02-16 |