Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394202 | Drill bit having diamond impregnated inserts primary cutting structure | David Truax, Thomas W. Oldham, Duane R. Van Waes | 2002-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394202 | Drill bit having diamond impregnated inserts primary cutting structure | David Truax, Thomas W. Oldham, Duane R. Van Waes | 2002-05-28 |