Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668925 | ESP pump for gassy wells | Christopher K. Shaw, David A. Voss, Jeffrey W. Knight, Michael J. Fox, Dewey Michael Loudermilk | 2003-12-30 |
| 6571879 | Surface-actuated release tool for submersible pump assemblies | John J. Mack, Earl B. Brookbank, Don C. Cox | 2003-06-03 |