Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921730 | Downhole rock scratcher and method for identifying strength of subsurface intervals | — | 2011-04-12 |
CT
Chee Phuat Tan
Overall (2011): #330,289 of 364,097Top 95%
1
Patents 2011