Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510002 | Apparatus and method for sealing a wellbore | Gareth Brown, Colin Black | 2009-03-31 |
| 7395881 | Roller subs | Richard Gilchrist, Colin Black | 2008-07-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510002 | Apparatus and method for sealing a wellbore | Gareth Brown, Colin Black | 2009-03-31 |
| 7395881 | Roller subs | Richard Gilchrist, Colin Black | 2008-07-08 |