Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D511663 | Retainer cap for a plasma arc torch | Roger W. Hewett, Jonathan Brasseur | 2005-11-22 |
| D501632 | Vented shield for a plasma arc torch | Roger W. Hewett, Jonathan Brasseur, Walter Stark | 2005-02-08 |
| 4782210 | Ridged electrode | David Nelson, Raymond G. Wilkins | 1988-11-01 |