Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796019 | Input device for a display system | — | 1989-01-03 |
| 4745402 | Input device for a display system using phase-encoded signals | — | 1988-05-17 |
| 4587570 | Stylus kicker having kick energy minimization means | Thomas Chen, Jon K. Clemens | 1986-05-06 |
| 4298982 | Fault-tolerant interface circuit for parallel digital bus | — | 1981-11-03 |