Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789624 | Apparatus and method for gravel packing an interval of a wellbore | Ronald W. McGregor, David A. Hejl, Ronald A. Gibson | 2004-09-14 |
| 6702018 | Apparatus and method for gravel packing an interval of a wellbore | Ronald W. McGregor, Travis Hailey, William David Henderson, Philip D. Nguyen | 2004-03-09 |