Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671487 | Gate valve | Boris F. Bragin, Alexei F. Iljushin, Vladimir V. Kolosov, Mikhail A. Kulikov, Felix D. Markuntovich +1 more | 1987-06-09 |
| 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, Evgeny F. Perepletchikov, Isidor I. Frumin | 1985-03-26 |