Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562764 | Invert well service fluid and method | Steven Blattel, Michael H. Hoff | 2003-05-13 |
| 6543545 | Expandable sand control device and specialized completion system and method | Jiten Chatterji, Ronald Glen Dusterhoft, Tommy Frank Grigsby, Travis Hailey, Jackie M. LaFontaine +4 more | 2003-04-08 |