Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983590 | Secondary air injection diagnostic system using pressure feedback | Matthew Roelle, Martin L. Hall, Daniel H. Hooker, Gary E. Johnston, Kevin Person | 2006-01-10 |
| 6105609 | Filtered check valve assembly | David Shaw, Phillip D. Hamelin | 2000-08-22 |
| 5606311 | Air filter diagnostic | Dennis P. Stenson, Jacqueline A. Jolliffe | 1997-02-25 |
| 5213178 | Traction control system with fuel and spark control | Donald W. Harnack | 1993-05-25 |