Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659203 | Lockable motor assembly for use in a well bore | Brian Cruickshank, John P. Boyce, Christopher J. Caton | 2003-12-09 |
| 6554073 | Method and apparatus for removing wellhead assemblies | — | 2003-04-29 |
| 6516878 | Downhole tension swivel sub | Lawrence Barr | 2003-02-11 |