Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968910 | Ultrasonic/sonic mechanism of deep drilling (USMOD) | Yoseph Bar-Cohen, Stewart Sherrit, Xiaoqi Bao, Stephen Askins | 2005-11-29 |
| 6863136 | Smart-ultrasonic/sonic driller/corer | Yoseph Bar-Cohen, Stewart Sherrit, Thomas Peterson, Dharmendra Pal, Jason Kroh +1 more | 2005-03-08 |