Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385201 | Power unit with salt spreader and salt spreader for use therewith | Roscoe J. Lehman, Christopher A. Nolt | 2025-08-12 |
| 11554819 | Walk-behind tractor with increased ground clearance | Glenn M. Steiner, Douglas L. Zehr | 2023-01-17 |
| 11214936 | Power unit with salt spreader and salt spreader for use therewith | Roscoe J. Lehman, Christopher A. Nolt | 2022-01-04 |
| 9976338 | Plugless glazing system | — | 2018-05-22 |
| 9562389 | Plugless glazing system | — | 2017-02-07 |
| 8820032 | Door with assembly of stiles and rails | Scott Widmer, Bill Mullet | 2014-09-02 |
| 8333049 | Door assembly using a two piece end cap | — | 2012-12-18 |
| 8316620 | Interlocking door assembly and method of manufacturing thereof | Mihai Cotlet, Christopher A. Nolt | 2012-11-27 |