Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452129 | Plasma torch preventing gas backflows into the torch | Wenxian Zhu, Robin A. Lampson, John R. Sparkes | 2002-09-17 |
| 6313429 | Dual mode plasma arc torch for use with plasma arc treatment system and method of use thereof | Robin A. Lampson, Robert E. Haun, Roger S. Brooks | 2001-11-06 |