Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635088 | Liquid cooled plasma arc torch system and method for replacing a torch in such system | Timothy M. Brewer, John Sobr | 1997-06-03 |
| 5620617 | Circuitry and method for maintaining a plasma arc during operation of a plasma arc torch system | Dennis M. Borowy | 1997-04-15 |