Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4289974 | Voltage frequency meter of synchronous electrical machine | Vladimir G. Nakrokhin | 1981-09-15 |
| 4272814 | Apparatus for compensation of commutation dips in synchronizing voltage curves | Vladilen G. Nakrokhin | 1981-06-09 |