Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908670 | Apparatus for rotary spraying a metallic coating | Joseph P. Dunkerley, Thomas Friedrich | 1999-06-01 |
| 4445021 | Heavy duty plasma spray gun | John F. Klein, Richard D. Lander, Henry C. Thompson, Richard D. Trapani | 1984-04-24 |
| 4430546 | Plasma spray gun nozzle | Dennis K. Buzzelli, John F. Klein, Richard T. Smyth | 1984-02-07 |