Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768835 | Advancing system for coal winning machine | Boris B. Kalantarov, Nikolai I. Stepanov, Alexandr A. Pukis, Eduard I. Fedotov | 1988-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768835 | Advancing system for coal winning machine | Boris B. Kalantarov, Nikolai I. Stepanov, Alexandr A. Pukis, Eduard I. Fedotov | 1988-09-06 |