Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10231389 | Stump cutter | Gary W. Kappel, Christopher A. Pfoltner, Mark A. Rieckhoff | 2019-03-19 |
| 10039239 | Method and apparatus for controlling the operation of a stump cutter | Ivan R. Brand, John Powers, III, Douglas E. Ammons | 2018-08-07 |
| 8783308 | Stump cutter | Gary W. Kappel, Christopher A. Pfoltner, Mark A. Rieckhoff | 2014-07-22 |
| 8257227 | Method and apparatus for decelerating a material reduction tool | Ivan R. Brand | 2012-09-04 |
| 6014996 | Control system for stump cutters | Philip Egging, Gary W. Kappel | 2000-01-18 |
| 5845689 | Feed rate control system for stump cutters | Philip Egging, Gary W. Kappel | 1998-12-08 |