Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565116 | Stud welding | David D. Barton | 1996-10-15 |
| 5309343 | Driver circuit having paralleled transistors and current-variable resistive elements | — | 1994-05-03 |
| 5072159 | Lamp driver circuit | — | 1991-12-10 |