Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640913 | Drill bit with canted gage insert | Gary R. Portwood, Scott D. McDonough | 2003-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640913 | Drill bit with canted gage insert | Gary R. Portwood, Scott D. McDonough | 2003-11-04 |