Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346017 | Method and apparatus for setting a whipstock | Charles M. Hightower, Charles D. Hailey | 1994-09-13 |
| 5287921 | Method and apparatus for setting a whipstock | Charles M. Hightower, Charles D. Hailey | 1994-02-22 |
| 5277251 | Method for forming a window in a subsurface well conduit | Charles M. Hightower, Charles D. Hailey | 1994-01-11 |