Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056637 | Subsurface safety valve and method for chemical injection into a wellbore | — | 2011-11-15 |
AL
Alan Larnach
Overall (2011): #357,827 of 364,097Top 100%
1
Patents 2011