Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30468 | Signal compressors and expanders | Paul A. Spencer | 1980-12-30 |
| 4223188 | Scanning system for reproduction of optical sound tracks with clear area noise discriminator delay means | — | 1980-09-16 |
| 4184055 | Scanning system for reproduction of optical sound tracks with clear area noise discriminator delay means | — | 1980-01-15 |