Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9550217 | Exhaust component cleaning and requalification process | Todd M. Wieland, Leslie E. Freeman, Duane J. Szymanski, Mark TANG, William A. MacGregor +1 more | 2017-01-24 |
| 4730416 | Perimeter seal and sealing system | — | 1988-03-15 |