Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756959 | Coolant tube for use in a liquid-cooled electrode disposed in a plasma arc torch | Jennifer Freeman, Zhipeng Lu, Richard W. Couch, Jr. | 1998-05-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756959 | Coolant tube for use in a liquid-cooled electrode disposed in a plasma arc torch | Jennifer Freeman, Zhipeng Lu, Richard W. Couch, Jr. | 1998-05-26 |