Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450340 | Arc welder power supply with fail-safe voltage reducing circuit | Don J. Corrigall | 1984-05-22 |
| 4208621 | Brushless DC motor control system | Dennis R. Hipkins | 1980-06-17 |