Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911275 | Apparatus for milling a well casing | Bruce McGarian, Rory McCrae Tulloch | 1999-06-15 |
| 5531280 | Drill string anchor | Manfred Steinkamp, Bruce McGarian | 1996-07-02 |
| 5261498 | Drill string component | Manfred Steinkamp, Bruce McGarian | 1993-11-16 |
| 5020599 | Drilling tool | — | 1991-06-04 |