Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335888 | Swirl ring and contact element for a plasma arc torch cartridge | Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan +2 more | 2019-07-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335888 | Swirl ring and contact element for a plasma arc torch cartridge | Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan +2 more | 2019-07-02 |