Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777607 | Low-cost resistive tablet with touch and stylus functionality | — | 1998-07-07 |
| 5767458 | Low-pass filter of graphical tablet has cut-off frequency lower than sampling frequecy | — | 1998-06-16 |
| 5541372 | Force activated touch screen measuring deformation of the front panel | Theunis S. Baller, Kofi A. A. Makinwa, R emy Polaert, Antonius J. M. Hafkamp, Arne L. Duwaer | 1996-07-30 |