Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585211 | Wheel chocking device and method for using the same | Thomas J. Palus, Charles H. Hodges, Jack L. Sherard | 2003-07-01 |
| 6478525 | Wheel chocking device and method for using the same | Thomas J. Palus, Charles H. Hodges, Jack L. Sherard | 2002-11-12 |
| 6276496 | Wheel chocking device | Thomas J. Palus | 2001-08-21 |
| 6250432 | Wheel chocking device and method for using the same | Thomas J. Palus, Charles H. Hodges, Jack L. Sherard | 2001-06-26 |
| 5927928 | Wheel chocking device | Thomas J. Palus | 1999-07-27 |
| 5600859 | Dock leveler in which the ramp is raised and lowered using an inflatable member and method of use | Charles H. Hodges, Monroe Mulder | 1997-02-11 |
| 5522107 | Retaining arrangement for an inflatable member in a dock leveler | Donald G. Roth | 1996-06-04 |
| 5416941 | Dockboard having an improved return-to-dock-level mechanism | — | 1995-05-23 |
| 5392481 | Return-to-dock-level mechanism for a dockboard having a hydraulic holddown | — | 1995-02-28 |
| 5274867 | Hydraulically operated edge-of-dock leveler | — | 1994-01-04 |
| 5205010 | Return-to-dock level mechanism for a hydraulic dockboard | — | 1993-04-27 |
| 5188015 | Automatically sequenced hydraulic cylinder mechanism | — | 1993-02-23 |
| 4955923 | Hydraulically operated dockboard | — | 1990-09-11 |
| 4922568 | Holddown mechanism for a dockboard | — | 1990-05-08 |
| 4784567 | Vehicle restraint utilizing a fluid cylinder | Jonathan W. Kovach | 1988-11-15 |
| 4767254 | Vehicle restraint having an upwardly biased restraining member | Jonathan W. Kovach | 1988-08-30 |
| 4759678 | Vehicle restraint utilizing a fluid cylinder | — | 1988-07-26 |
| 4674941 | Vehicle restraint using a parallelogram linkage | — | 1987-06-23 |
| 4665579 | Counterbalancing mechanism for an edge-of-dock dockboard | Mark A. Bennett, Joseph M. Delgado | 1987-05-19 |
| 4619008 | Dockboard construction | Jonathan W. Kovach | 1986-10-28 |