Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931079 | Tubing hanger and method of compensating pressure differential between a tubing hanger and an external well volume | — | 2011-04-26 |
JN
Joseph Allan Nicholson
Overall (2011): #258,968 of 364,097Top 75%
1
Patents 2011