Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760363 | Apparatus and method for starting and stopping a plasma arc torch used for mechanized cutting and marking applications | Elizabeth B. Hackett, Zhipeng Lu, Richard W. Couch, Jr. | 1998-06-02 |
| 5635088 | Liquid cooled plasma arc torch system and method for replacing a torch in such system | Jeffrey L. Peterson, John Sobr | 1997-06-03 |