Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565093 | Seal structure for downhole tool | William David Henderson, Timothy Edward Harms, Robert W. Crow, Ralph Jones | 2003-05-20 |
| 6557634 | Apparatus and method for gravel packing an interval of a wellbore | Travis Hailey, William David Henderson, Philip D. Nguyen | 2003-05-06 |