Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883623 | Earth boring apparatus and method offering improved gage trimmer protection | Mumtaz Ball, Mark E. Anderson, Mark W. Dykstra, Michael L. Doster, Matthew R. Isbell | 2005-04-26 |