Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659185 | Subsurface safety valve lock out and communication tool and method for use of the same | Stuart M. Dennistoun, Imre I. Gazda | 2003-12-09 |
| 6648075 | Method and apparatus for expandable liner hanger with bypass | Robert P. Badrak, Robert Coon, Patrick G. McGuire | 2003-11-18 |
| 6523614 | Subsurface safety valve lock out and communication tool and method for use of the same | Stuart M. Dennistoun, Imre I. Gazda | 2003-02-25 |