Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385269 | Battery charger | John F. Aspinwall, Carl S. den Brinker, John R. Emmett | 1983-05-24 |
| 4385402 | Switchable filter circuits | — | 1983-05-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385269 | Battery charger | John F. Aspinwall, Carl S. den Brinker, John R. Emmett | 1983-05-24 |
| 4385402 | Switchable filter circuits | — | 1983-05-24 |