Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5399957 | DC switched arc torch power supply | — | 1995-03-21 |
| 5296668 | Gas cooled cathode for an arc torch | Craig Foreman | 1994-03-22 |
| 4862814 | Pulverized fuel burner | Brian Campbell, Craig Foreman | 1989-09-05 |