Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567491 | Device and method of lining a wellbore | — | 2013-10-29 |
| 7537055 | Method and apparatus for forming a window in a casing using a biasing arm | Philip Head | 2009-05-26 |
| 7487846 | Electrically operated drilling method | Philip Head | 2009-02-10 |
| 7387174 | Device and method of lining a wellbore | — | 2008-06-17 |
| 5787987 | Lateral seal and control system | David G. Forsyth, Robert C. Ross | 1998-08-04 |