Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291718 | Pressure valve | Sergei A. Sanin, Jury F. Ponomarenko, Vladislav D. Firstov, Vladimir N. Khorin, Arnold M. Ragutsky +1 more | 1981-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291718 | Pressure valve | Sergei A. Sanin, Jury F. Ponomarenko, Vladislav D. Firstov, Vladimir N. Khorin, Arnold M. Ragutsky +1 more | 1981-09-29 |