Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4534540 | Gate valve | Boris F. Bragin, Alexandr S. Kolomiets, Jury B. Korotkikh, Felix D. Markuntovich, Evgeny P. Olofinsky +2 more | 1985-08-13 |
| 4506865 | Valve housing | Boris F. Bragin, Petr V. Gladky, Felix D. Markuntovich, Isidor I. Frumin, Boris Y. Ekber | 1985-03-26 |