Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693995 | Hybrid alternator | — | 1997-12-02 |
| 5656922 | Vehicle based AC power system | William J. LaVelle, William P. Curtiss | 1997-08-12 |
| 5631544 | Hybrid alternator with voltage regulator | William P. Curtiss | 1997-05-20 |