Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495790 | Plasma arc keyhole welding stability and quality through titanium nitride additions | John M. Lehmann, John M. Sanders | 2002-12-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495790 | Plasma arc keyhole welding stability and quality through titanium nitride additions | John M. Lehmann, John M. Sanders | 2002-12-17 |