Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719061 | Apparatus and method for inserting and retrieving a tool string through well surface equipment | Laurent E. Muller, Larry Grigar, Steven W. Henderson, Klaus Huber, Bennie Gill +1 more | 2004-04-13 |