Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580029 | Plasma arc power supply and method | William Wesley Beaver | 1986-04-01 |
| 4282569 | Constant current welding power supply with an upslope starting current | Steven F. Hardwick | 1981-08-04 |