Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575246 | Method and apparatus for gravel packing with a pressure maintenance tool | Patrick W. Bixenman, Steven L. Anyan, Micah L. Schutz | 2003-06-10 |
| 6513599 | Thru-tubing sand control method and apparatus | Patrick W. Bixenman | 2003-02-04 |