Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317126 | Nozzle and method of operation for a plasma arc torch | Richard W. Couch, Jr., Nicholas A. Sanders, John Sobr, Patrik Backander | 1994-05-31 |
| 5310988 | Electrode for high current density plasma arc torch | Richard W. Couch, Jr., Nichols A. Sanders, Zhipeng Lu, Patrik Backander, John Sobr | 1994-05-10 |