Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048065 | Method and apparatus for expandable liner hanger with bypass | Robert P. Badrak, Robert Coon, Roddie R. Smith | 2006-05-23 |
| 6920934 | Method and apparatus for expandable liner hanger with bypass | Robert P. Badrak, Robert Coon, Roddie R. Smith | 2005-07-26 |
| 6648075 | Method and apparatus for expandable liner hanger with bypass | Robert P. Badrak, Robert Coon, Roddie R. Smith | 2003-11-18 |