Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998531 | Auto pitch control power trowel | Steven K. Hanson, David Lillanthal, Benjamin Wiese, Bruce Gillespie, Robert Dane Davis +1 more | 2015-04-07 |
| 8708598 | Stroke control trowel | Steven K. Hanson, Cole Baird, Robert Dane Davis, Benjamin Wiese, David Lilienthal +1 more | 2014-04-29 |
| D618256 | Frame member for ride-on power trowel | Larry Jake Chapple, Dane Davis | 2010-06-22 |
| D615561 | Mid section for ride-on machine | Larry Jake Chapple, Dane Davis | 2010-05-11 |
| D602961 | Ride-on power trowel | Larry Jake Chapple, Dane Davis | 2009-10-27 |