Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640903 | Forming a wellbore casing while simultaneously drilling a wellbore | Robert Lance Cook, David Paul Brisco, Lev Ring, Robert Donald Mack, Alan B. Duell +1 more | 2003-11-04 |
| 6631760 | Tie back liner for a well system | Robert Lance Cook, David Paul Brisco, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2003-10-14 |
| 6604763 | Expandable connector | Robert Lance Cook, David Paul Brisco, Lev Ring, Richard Carl Haut, Robert Donald Mack +2 more | 2003-08-12 |
| 6561227 | Wellbore casing | Robert Lance Cook, David Paul Brisco, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2003-05-13 |
| 6557640 | Lubrication and self-cleaning system for expansion mandrel | Robert Lance Cook, David Paul Brisco, Reece E. Wyant, Lev Ring, James J. W. Nahm +4 more | 2003-05-06 |