Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899579 | Onboard diagnostic system of vehicle ignition system | Michael Stephen Sweppy, Richard R. Tuttle | 1990-02-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899579 | Onboard diagnostic system of vehicle ignition system | Michael Stephen Sweppy, Richard R. Tuttle | 1990-02-13 |