Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480182 | Single plane optical membrane switch and keyboard | Richard I. Ely | 1984-10-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480182 | Single plane optical membrane switch and keyboard | Richard I. Ely | 1984-10-30 |