Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408066 | Powder injection apparatus for a plasma spray gun | Richard D. Trapani, Roopnarine Tilkaran, Joseph P. Mercurio, Michael R. D'Arpa, Burton A. Kushner | 1995-04-18 |
| 4788408 | Arc device with adjustable cathode | Janusz Wlodarczyk, Henry C. Thompson, Thomas F. Bernecki | 1988-11-29 |