Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984771 | Methods and apparatus for attenuating drillstring vibrations | Jahir Pabon, Joachim Sihler, Demosthenis Georgeou Pafitis | 2011-07-26 |
CH
Chaur-Jian Hsu
Overall (2011): #334,468 of 364,097Top 95%
1
Patents 2011