Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891489 | Shield cup protector apparatus for plasma arc torch | Mark A. Tarhay | 1990-01-02 |
| 4778155 | Plasma arc hole cutter | Robert M. Suchevich | 1988-10-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891489 | Shield cup protector apparatus for plasma arc torch | Mark A. Tarhay | 1990-01-02 |
| 4778155 | Plasma arc hole cutter | Robert M. Suchevich | 1988-10-18 |