Issued Patents All Time
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 (All Time): #3,269,406 of 4,157,543Top 80%
1
Patents All Time