Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543589 | Touchpad with dual sensor that simplifies scanning | William A. Buchana, Richard A. Eardley, Anthony R. Tizzard | 1996-08-06 |
| 5521336 | Simplified digital pad sensor | William A. Buchanan, Richard A. Eardley, Anthony R. Tizzard | 1996-05-28 |