Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405800 | Method and apparatus for controlling fluid flow in a well | Dewayne Turner, Marvin Bryce Traweek | 2002-06-18 |
| 6397949 | Method and apparatus for production using a pressure actuated circulating valve | Dewayne Turner, William David Henderson, Mike Ritter | 2002-06-04 |