Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737704 | Transformer for arc and plasma setups having broad current adjustment range | Semen A. Kalinnikov, Vladimir A. Troitsky, Arkady A. Dondysh, Frants F. Ditler, Gennady Shvets +1 more | 1988-04-12 |