Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222874 | Lubricant cooled electric drive motor for a compressor | Oleif Olsaker, John C. Shoop, Ray Klingler | 1993-06-29 |
| 4594632 | Overvoltage protection circuit for synchronous machinerotor | — | 1986-06-10 |
| 4496897 | Variable voltage control for self-excited self-regulated synchronous alternator | Robert B. Walker, Andrew F. Szippl | 1985-01-29 |