Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927912 | Composite drill bit using adhesive bond | Gary Erpenbeck | 1999-07-27 |
| 5655354 | Method and apparatus for automated verification and loading of precision drill bits into a drilling machine package | James C. Baker, Robert C. Henningsgard, Paul D Mortell, Tim L. Taylor | 1997-08-12 |
| 5472298 | Locating ring positioning apparatus for re-sharpened drill bit | — | 1995-12-05 |