Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002171 | Exhaust heat recovery and acoustic valve with exhaust gas recirculation features | Joseph Callahan | 2021-05-11 |
| 9657652 | Valve assembly and exhaust gas system | Arthur Wurzer | 2017-05-23 |