Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840230 | Retrievable wedging system for coupling downhole devices into cased bore holes | T. Leslie Youd | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840230 | Retrievable wedging system for coupling downhole devices into cased bore holes | T. Leslie Youd | 1989-06-20 |