Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002053 | System, method, and apparatus for predicting tracking by roller cone bits and anti-tracking cutting element spacing | Leroy W. Ledgerwood, III | 2011-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002053 | System, method, and apparatus for predicting tracking by roller cone bits and anti-tracking cutting element spacing | Leroy W. Ledgerwood, III | 2011-08-23 |