Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222612 | Method of mining flat-dipping and sloping beds of a mineral with hydraulic excavation | Semen P. Kostovetsky, Boris P. Odinokov, Anatoly Y. Semenikhin, Anatoly E. Sankov | 1980-09-16 |