Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051923 | Rotary drill bits with gage pads having improved steerability and reduced wear | Shilin Chen | 2011-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051923 | Rotary drill bits with gage pads having improved steerability and reduced wear | Shilin Chen | 2011-11-08 |