Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370879 | Method for manufacturing a piercing mandrel | Boris D. Kopysky, Viktor D. Dmitriev, Viktor M. Brodsky, Vitaly A. Surzhikov, Evgeny I. Semenov +9 more | 1983-02-01 |
| 4197336 | Method for applying protective coating to metal pipes | Vladimir I. Savchenko, Anatoly I. Plyshevsky, Evgeny P. Ponomarenko, Grigory D. Duply, Iosif J. Korobochkin +2 more | 1980-04-08 |