Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407017 | Method and apparatus for controlling drilling process | Valentin V. Zhilikov, Boris M. Parfenov | 1983-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407017 | Method and apparatus for controlling drilling process | Valentin V. Zhilikov, Boris M. Parfenov | 1983-09-27 |