Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343519 | Method and apparatus for touch detection based on the velocity of an object relative to a sensor panel | Steven P. Callicott, William K. Petty, Mark S. Snyder | 2002-02-05 |
| 6138523 | Method and apparatus for touch detection based on the current flow generated by object relative to a sensor panel | Steven P. Callicott, William K. Petty, Mark S. Snyder | 2000-10-31 |