Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222612 | Method of mining flat-dipping and sloping beds of a mineral with hydraulic excavation | Semen P. Kostovetsky, Anatoly Y. Semenikhin, Anatoly E. Sankov, Vladimir V. Soin | 1980-09-16 |
| 4199192 | Method of mining bedded mineral deposits with hydraulic extraction | Anatoly Y. Semenikhin, Gavriil A. Pakhtusov, Jury G. Pakhtusov, Anatoly E. Sankov | 1980-04-22 |