Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684879 | Transistor base drive circuit | — | 1987-08-04 |
| 4520255 | High frequency self-oscillating welding apparatus | Pierre Van Rhyn | 1985-05-28 |
| 4486038 | Energy storage | — | 1984-12-04 |
| 4453073 | High frequency welding apparatus | — | 1984-06-05 |