Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381839 | Apparatus for directional drilling | — | 2013-02-26 |
| 7967086 | Slip spool assembly and method of using same | Bob McGuire, L. Murray Dallas | 2011-06-28 |
| 7743856 | Slip spool assembly and method of using same | Bob McGuire, L. Murray Dallas | 2010-06-29 |
| 7392864 | Slip spool assembly and method of using same | Bob McGuire, L. Murray Dallas | 2008-07-01 |
| 5293945 | Downhole adjustable stabilizer | Laurier E. Comeau | 1994-03-15 |
| 5265684 | Downhole adjustable stabilizer and method | — | 1993-11-30 |
| 4372527 | Blowout preventer | Gary D. Ellis | 1983-02-08 |
| 4341264 | Wellhead shearing apparatus | Fern H. Cox | 1982-07-27 |