Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379990 | Fault detection and diagnostic system for automotive battery charging systems | Kirk A. Sievers | 1983-04-12 |
| 4315204 | Ripple detector for automotive alternator battery charging systems | Kirk A. Sievers | 1982-02-09 |
| 4314193 | Field coil fault detector for automotive alternator battery charging systems | — | 1982-02-02 |