Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638910 | Downhole sub for directional drilling | David Kutinsky | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638910 | Downhole sub for directional drilling | David Kutinsky | 1997-06-17 |