Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423791 | Method of inhibiting differential wall sticking in the rotary drilling of hydrocarbon wells | — | 1984-01-03 |
| 4337088 | Non-magnetic stabilizer | — | 1982-06-29 |
| 4258804 | Releasable drill string stabilizer | Vernon T. Richey | 1981-03-31 |