Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233490 | Method of reinforcing aluminium alloy piston ring groove | Alexandr N. Shalai, Mikhail D. Nikitin, Nikolai Zakharov | 1980-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233490 | Method of reinforcing aluminium alloy piston ring groove | Alexandr N. Shalai, Mikhail D. Nikitin, Nikolai Zakharov | 1980-11-11 |