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Patent applications and USPTO patent grants for Hageman, Martin P..The latest application filed is for "wheel chocking device and method for using the same".
Patent | Date |
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Wheel chocking device and method for using the same App 20030099528 - Hageman, Martin P. ;   et al. | 2003-05-29 |
Wheel chocking device and method for using the same Grant 6,478,525 - Hageman , et al. November 12, 2 | 2002-11-12 |
Wheel chocking device and method for using the same App 20020037209 - Hageman, Martin P. ;   et al. | 2002-03-28 |
Wheel chocking device Grant 6,276,496 - Hageman , et al. August 21, 2 | 2001-08-21 |
Wheel chocking device Grant 5,927,928 - Hageman , et al. July 27, 1 | 1999-07-27 |
Return-to-dock-level mechanism for a dockboard having a hydraulic holddown Grant 5,392,481 - Hageman February 28, 1 | 1995-02-28 |
Holddown mechanism for a dockboard Grant 4,922,568 - Hageman May 8, 1 | 1990-05-08 |
Vehicle restraint utilizing a fluid cylinder Grant 4,784,567 - Hageman , et al. November 15, 1 | 1988-11-15 |
Vehicle restraint having an upwardly biased restraining member Grant 4,767,254 - Kovach , et al. August 30, 1 | 1988-08-30 |
Vehicle restraint utilizing a fluid cylinder Grant 4,759,678 - Hageman July 26, 1 | 1988-07-26 |
Vehicle restraint using a parallelogram linkage Grant 4,674,941 - Hageman June 23, 1 | 1987-06-23 |
Dockboard construction Grant 4,619,008 - Kovach , et al. October 28, 1 | 1986-10-28 |
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