Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968618 | Expandable connector | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut +2 more | 2005-11-29 |
| 6892819 | Forming a wellbore casing while simultaneously drilling a wellbore | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Andrei Gregory Filippov | 2005-05-17 |