Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6676668 | Articulating stone basket | Ken Butcher, Gregg A. VanDusseldorp, Demetrius Bagley, Frank Bimbo | 2004-01-13 | $18,778,000 |
| 6652537 | Articulating stone basket | Ken Butcher, Brad Boetner, Frank Bimbo | 2003-11-25 | $8,395,000 |