Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443246 | Long barrel inserts for earth-boring bit | Rudolf Carl Pessier, Brian C. Wiesner, George E. Dolezal, James Lawrence Jacobsen, Brian Baker | 2002-09-03 |
| 6408958 | Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped | Rudolf Carl Pessier, Michael L. Doster, Mark W. Dykstra, William Heuser | 2002-06-25 |