Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795899 | Illumination sensor with attenuating diffuser | Marcel Grasset | 1989-01-03 |
| 4751566 | Method and device for gamma correction in multichrome cathode ray tubes | — | 1988-06-14 |