Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383581 | Tool for drilling boreholes | Jury F. Shalashov, Vadim D. Petukhov | 1983-05-17 |
| 4354233 | Rotary drill automatic control system | Alexei A. Zhukovsky, Mikhail I. Kulachek | 1982-10-12 |