Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012516 | Switching circuitry | Roger Harrison | 1991-04-30 |
| 4455673 | Stereo indicating circuit | Douglas R. P. Topping, Leslie R. Sage | 1984-06-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012516 | Switching circuitry | Roger Harrison | 1991-04-30 |
| 4455673 | Stereo indicating circuit | Douglas R. P. Topping, Leslie R. Sage | 1984-06-19 |