Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252331 | Brushless, separately-excited, variable-speed motor and AC generator/alternator with solenoid-wound, biphase AC rotor | James E. Hollopeter, Donald M. Westergren | 2001-06-26 |
| 4784700 | Point focus solar concentrator using reflector strips of various geometries to form primary and secondary reflectors | Theodore Garry Stern, Mickey Cornwall, Bela Kaincz | 1988-11-15 |