Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4408770 | Piston ring assembly with tangential expander | Vladimir G. Kislov, Efim S. Gorbulev, Ivan A. Koval, Boris S. Eremenko, Felix A. Brainman +4 more | 1983-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4408770 | Piston ring assembly with tangential expander | Vladimir G. Kislov, Efim S. Gorbulev, Ivan A. Koval, Boris S. Eremenko, Felix A. Brainman +4 more | 1983-10-11 |