Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4292494 | Electric spark building-up of metal on the working surface of rolls | Igor S. Trishevsky, Nikolai M. Vorontsov, Anatoly B. Jurchenko, Vladimir F. Korobeinik, Valery N. Zherebtsov +8 more | 1981-09-29 |