Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6116021 | Method for monitoring the performance of a catalytic converter using a rate modifier | Darren Schumacher, Michael A. Badalament, Jeffrey D. Naber, Alan Chewter, Kevin J. Bush +2 more | 2000-09-12 |
| 6003307 | OBD calorimetric sensor system with offset error correction | Jeffrey D. Naber, Patrick W. Blosser, Edward N. Balko | 1999-12-21 |
| 5956945 | Apparatus and method for diagnosis of catalyst performance | Sanath Kumar, Ronald M. Heck, Jeffrey D. Naber, Alan Chewter | 1999-09-28 |