Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985086 | Method and apparatus for LWD shear velocity measurement | Xiao Ming Tang, Douglas J. Patterson, Tsili Wang, James V. Leggett, III | 2006-01-10 |
| 6850168 | Method and apparatus for LWD shear velocity measurement | Xiao Ming Tang, Douglas J. Patterson, Tsili Wang, James V. Leggett, III | 2005-02-01 |