Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964305 | Cup seal expansion tool | Michael E. McMahan | 2005-11-15 |
| 6899182 | Method of screen or pipe expansion downhole without addition of pipe at the surface | John P. Davis, Edwin C. Howell | 2005-05-31 |
| 6877564 | Flapper closure mechanism | Ben C. Layton | 2005-04-12 |