Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452129 | Plasma torch preventing gas backflows into the torch | Wenxian Zhu, Richard C. Eschenbach, John R. Sparkes | 2002-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452129 | Plasma torch preventing gas backflows into the torch | Wenxian Zhu, Richard C. Eschenbach, John R. Sparkes | 2002-09-17 |