Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959097 | Grinding drum with a cutter arrangement for a direction of rotation | — | 2011-06-14 |
| 7213779 | Rotary grinder apparatus and method | Keith Roozeboom, Gary Verhoef | 2007-05-08 |
| 6840471 | Rotary grinder apparatus and method | Keith Roozeboom, Gary Verhoef | 2005-01-11 |
| 6422495 | Rotary grinder apparatus and method | Keith Roozeboom, Gary Verhoef | 2002-07-23 |
| 5507441 | Swinging hammer for a material reducing machine | Jeff Fleenor, Thomas J. Kurt | 1996-04-16 |