Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854519 | Subsurface valve with system and method for sealing | Thomas M. Deaton, Winfield M. Sides, III, Roddie R. Smith | 2005-02-15 |
| 6851477 | Curved flapper with angle variant seat for a subsurface safety valve | Thomas G. Hill, Jr., Robert C. Henschel | 2005-02-08 |