Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012054 | Closely spaced back-lit push button array | Mark Z. Rada, John W. Willis | 1991-04-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012054 | Closely spaced back-lit push button array | Mark Z. Rada, John W. Willis | 1991-04-30 |