Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454839 | Portable reference laser unit and attachment accessory | Sabrina Hofmann, Zhi Qing Jiang, Verena Kehrer, Mark Kam Ming, Stefan Reichl +4 more | 2008-11-25 |
| 6029214 | Input tablet system with user programmable absolute coordinate mode and relative coordinate mode segments | Jonathan H. Dorfman | 2000-02-22 |
| 5764218 | Method and apparatus for contacting a touch-sensitive cursor-controlling input device to generate button values | Jonathan H. Dorfman, Jay F. Hamlin | 1998-06-09 |