Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326583 | Gas control system for a plasma arc torch | Steven F. Hardwick, David Lorin Newcomb | 2001-12-04 |
| 6163009 | Process for operating a plasma arc torch | Steven F. Hardwick | 2000-12-19 |
| 6093905 | Process for operating a plasma arc torch | Steven F. Hardwick | 2000-07-25 |