Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338916 | Control circuit for alternating current TIG welder | George D. Blankenship, Michael Hoffa | 1994-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338916 | Control circuit for alternating current TIG welder | George D. Blankenship, Michael Hoffa | 1994-08-16 |