Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131477 | Method and apparatus for preventing drilling of a new well into an existing well | Theodore O. Stagg, Scott D. Selfridge | 1992-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131477 | Method and apparatus for preventing drilling of a new well into an existing well | Theodore O. Stagg, Scott D. Selfridge | 1992-07-21 |