Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345224 | Method and system for advanced neutral tow | Darren Schumacher, Alan Chewter | 2002-02-05 |
| 6116021 | Method for monitoring the performance of a catalytic converter using a rate modifier | Darren Schumacher, Jeffrey D. Naber, Alan Chewter, Kevin J. Bush, Bruce A. Church +2 more | 2000-09-12 |
| 5842340 | Method for controlling the level of oxygen stored by a catalyst within a catalytic converter | Kevin J. Bush, Bruce A. Church, David Frankowski, Darren Schumacher | 1998-12-01 |