Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362938 | "Plasma arc welding torch having means for ""vortexing"" plasma gas exiting the welding torch" | William F. McGee | 1994-11-08 |
| 5329089 | Plasma arc welding weld imaging | William F. McGee | 1994-07-12 |
| 5302804 | Gas arc constriction for plasma arc welding | William F. McGee | 1994-04-12 |