Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415690 | Trussed ramp | Carl Richter, Clint Berry | 2025-09-16 |
| D1065003 | Wheel chock | Richard Beilstein | 2025-03-04 |
| 12227377 | Enclosed foam ramp | Carl Richter, Clint Berry | 2025-02-18 |
| 12162703 | Combination ramp and load levelers | Carl Richter, Clint Berry | 2024-12-10 |
| D987541 | Wheel chock | Richard Beilstein | 2023-05-30 |
| 11021139 | Adjustable wheel chock system | Richard Beilstein | 2021-06-01 |
| D910960 | Dock board | Lawrence Marmon | 2021-02-16 |
| 10710824 | Curbed ramp | Richard Beilstein, Lawrence Marmon | 2020-07-14 |
| D861279 | Dock board | Lawrence Marmon | 2019-09-24 |
| 9694758 | Tiltable hauling device | Richard Beilstein | 2017-07-04 |
| 9663039 | Folding hitch | Lawrence Marmon | 2017-05-30 |
| D694983 | Wheelchair lift | Joel Lederhause | 2013-12-03 |
| D595919 | Vehicle ramp | Joel Lederhause | 2009-07-07 |
| D595920 | Folding vehicular ramp | Joel Lederhause, Richard Belstein | 2009-07-07 |