Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239790 | Force sensing semiconductive touchpad | John K. Martinelli, Robert Matthew Martinelli, Wendell W. Ritchey, Stuart J. Yaniger | 2001-05-29 |
| 5943044 | Force sensing semiconductive touchpad | John K. Martinelli, Robert Matthew Martinelli, Wendell W. Ritchey, Stuart J. Yaniger | 1999-08-24 |
| 5828363 | Force-sensing pointing device | Stuart I. Yaniger | 1998-10-27 |
| 5659334 | Force-sensing pointing device | Stuart I. Yaniger | 1997-08-19 |