Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980301 | Method and apparatus for the dampening of shocks in the borehole of wells | Sergey A. Kostrov | 2011-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980301 | Method and apparatus for the dampening of shocks in the borehole of wells | Sergey A. Kostrov | 2011-07-19 |