Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730965 | Retractable joint and cementing shoe for use in completing a wellbore | John Christopher Jordan, James G. Martens, R. Lee Colvard, Brent J. Lirette, Gregory G. Galloway +2 more | 2010-06-08 |