Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450271 | Surface modifications for rotary drill bits | Gordon A. Tibbitts, Danny E. Scott, James L. Overstreet, Chih Lin, James Andy Oxford +1 more | 2002-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450271 | Surface modifications for rotary drill bits | Gordon A. Tibbitts, Danny E. Scott, James L. Overstreet, Chih Lin, James Andy Oxford +1 more | 2002-09-17 |