Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443246 | Long barrel inserts for earth-boring bit | Rudolf Carl Pessier, Brian C. Wiesner, George E. Dolezal, Matthew R. Isbell, Brian Baker | 2002-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443246 | Long barrel inserts for earth-boring bit | Rudolf Carl Pessier, Brian C. Wiesner, George E. Dolezal, Matthew R. Isbell, Brian Baker | 2002-09-03 |