Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390078 | Two stage concentric EGR valves | James M. Keogan, Richard Nashburn | 2002-05-21 |
| 6217001 | Pressure balanced gas valve | Paul L. Gluchowski, Raul A. Bircann, Dwight O. Palmer | 2001-04-17 |