Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927461 | Magnet holder and sensor bracket system | — | 2024-03-12 |
| 11254526 | Vehicle restraining hook system | — | 2022-02-22 |
| 8297333 | Overhead doors and associated track and guide assemblies for use with same | — | 2012-10-30 |
| 8037576 | Overhead doors and associated track and guide assemblies for use with same | — | 2011-10-18 |
| 7891400 | Overhead doors and associated track and guide assemblies for use with same | — | 2011-02-22 |
| 7861762 | Overhead doors and associated track, guide, and bracket assemblies for use with same | — | 2011-01-04 |
| 7225493 | Support leg system and method for supporting a dock leveler | Richard K. Hoofard, James C. Alexander, Douglas H. Massey | 2007-06-05 |
| 7062813 | Support leg system and method for supporting a dock leveler | Richard K. Hoofard, James C. Alexander, Douglas H. Massey | 2006-06-20 |
| 6842930 | Run-off guard for a dock leveler | Douglas H. Massey, Kim Duvernell | 2005-01-18 |
| 6240587 | Fan-powered edge-of-dock leveler | Donald G. Roth | 2001-06-05 |
| 6098227 | Fan-powered edge-of-dock leveler | Donald G. Roth | 2000-08-08 |