Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354233 | Rotary drill automatic control system | Alexei A. Zhukovsky, Vladimir D. Butkin | 1982-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354233 | Rotary drill automatic control system | Alexei A. Zhukovsky, Vladimir D. Butkin | 1982-10-12 |