Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7762335 | Switching apparatus between independent control systems for a subsurface safety valve | David Z. Anderson, Darren E. Bane, Alan N. Wagner, Anthony S. Coghill, Allen P. Carney +3 more | 2010-07-27 |