Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090561 | Method and apparatus for pivot point determination and machine tool adjustment | Richard William Cambridge | 2006-08-15 |
| 6453211 | Nominal shift machining | David E. Ehling, Michael Jay Brunck | 2002-09-17 |
| 5357450 | Automated maintenance system for computer numerically controlled machines | R. David Hemmerle, John G. J. Frezza | 1994-10-18 |
| 5329457 | Comprehensive three-dimensional rotary tool point compensation | R. David Hemmerle | 1994-07-12 |
| 5309646 | Tool point compensation for hardware displacement and inclination | R. David Hemmerle | 1994-05-10 |