Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659185 | Subsurface safety valve lock out and communication tool and method for use of the same | Roddie R. Smith, Imre I. Gazda | 2003-12-09 |
| 6523614 | Subsurface safety valve lock out and communication tool and method for use of the same | Roddie R. Smith, Imre I. Gazda | 2003-02-25 |