Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381009 | Starter module for walk behind trowel | Michael Jenkins, Michael Ochalek | 2008-06-03 |
| 7172365 | Method of making and using a dynamically balanced walk behind trowel | Todd J. Lutz, Darrin W. Dauffenbach, Richard Goldberg | 2007-02-06 |
| 7065837 | Guide handle for a manually steered machine | — | 2006-06-27 |
| 6974277 | Dynamically balanced walk behind trowel | Todd J. Lutz, Darrin W. Dauffenbach, Richard Goldberg | 2005-12-13 |
| 6883999 | Trowel gearbox brake | Michael Jenkins | 2005-04-26 |
| D501633 | Walk behind rotary trowel guide handle | — | 2005-02-08 |
| 6846127 | Gryoscope controlled walk behind trowel | Michael Johann BRAUN, Michael Jenkins | 2005-01-25 |