Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844548 | Haulage unit of a coal-getting machine | Felix Z. Masovich, Jury I. Osokin, Nikolai I. Stepanov, Vyacheslav I. Shishlov | 1989-07-04 |
| 4768835 | Advancing system for coal winning machine | Boris B. Kalantarov, Anatoly P. Markov, Nikolai I. Stepanov, Eduard I. Fedotov | 1988-09-06 |