Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517559 | Optical gating scheme for display touch control | Terrance Knowles | 1985-05-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517559 | Optical gating scheme for display touch control | Terrance Knowles | 1985-05-14 |