Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676668 | Articulating stone basket | Ken Butcher, Gregg A. VanDusseldorp, Demetrius Bagley, Frank Bimbo | 2004-01-13 |
| 6652537 | Articulating stone basket | Ken Butcher, Brad Boetner, Frank Bimbo | 2003-11-25 |