Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668810 | Ignition coil assembly with spark plug connector | Richard William St. John, William Douglas Walker, Rick S. Burchett, Alex William Widiger, Francis Martin Donahue | 2003-12-30 |
| 6650219 | Ignition coil core isolation | Alex William Widiger, David Charles Stine, William Douglas Walker | 2003-11-18 |
| 6609508 | Releasable retaining clip for ignition coil assembly | — | 2003-08-26 |