Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319867 | End-face seal for rotary internal-combustion engine | Vladimir N. Koshelev, Boris V. Chaplanov | 1982-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319867 | End-face seal for rotary internal-combustion engine | Vladimir N. Koshelev, Boris V. Chaplanov | 1982-03-16 |