Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464933 | Steering console providing digital readout displays | — | 1984-08-14 |
| 4415849 | Alternator protection system | Kirk A. Sievers | 1983-11-15 |
| 4223363 | Automotive voltage regulator system | Kirk A. Sievers | 1980-09-16 |