Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587378 | Two-layer touch tablet | — | 1986-05-06 |
| 4564079 | Digitizer pad | Gordon B. Langford | 1986-01-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587378 | Two-layer touch tablet | — | 1986-05-06 |
| 4564079 | Digitizer pad | Gordon B. Langford | 1986-01-14 |