Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695662 | Plasma arc cutting process and apparatus using an oxygen-rich gas shield | Richard W. Couch, Jr., Nicholas A. Sanders, Lifeng Luo | 1997-12-09 |
| 5635088 | Liquid cooled plasma arc torch system and method for replacing a torch in such system | Timothy M. Brewer, Jeffrey L. Peterson | 1997-06-03 |
| 5624586 | Alignment device and method for a plasma arc torch system | Nicholas A. Sanders | 1997-04-29 |
| 5591357 | Plasma arc cutting process and apparatus using an oxygen-rich gas shield | Richard W. Couch, Jr., Nicholas A. Sanders, Lifeng Luo | 1997-01-07 |