Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605883 | Motor speed control circuit | — | 1986-08-12 |
| 4227128 | Speed responsive motor control circuit | Peter J. Ernster | 1980-10-07 |
| 4187412 | Automatic control for electric heating device | Peter J. Ernster, Ernest V. Canamero | 1980-02-05 |