Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198972 | Turn-off switch phase control with improved ripple and power factor | — | 1993-03-30 |
| 4308465 | Frequency control for paralleled AC systems | — | 1981-12-29 |
| 4295085 | Phase lock loop commutation position control and method | — | 1981-10-13 |
| 4218732 | Phase angle balancing circuit for a variable speed constant frequency power system | — | 1980-08-19 |