Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123379 | Dual core exhaust gas recirculation cooler | Randy R. Scarf, Bradley R. Watkins | 2024-10-22 |
| 7788913 | Manifold mounted catalytic converter | Mark W. Midgley, Richard J. Waggoner | 2010-09-07 |
| D541302 | Exhaust manifold | Richard J. Waggoner | 2007-04-24 |