Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029214 | Input tablet system with user programmable absolute coordinate mode and relative coordinate mode segments | Mark A. Della Bona | 2000-02-22 |
| 5764218 | Method and apparatus for contacting a touch-sensitive cursor-controlling input device to generate button values | Mark A. Della Bona, Jay F. Hamlin | 1998-06-09 |