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Patent applications and USPTO patent grants for Pfleger; Robert H..The latest application filed is for "shopping cart conveyor with front wheel alignment and turning system".
Patent | Date |
---|---|
Shopping cart conveyor with front wheel alignment and turning system Grant 6,644,210 - Pfleger , et al. November 11, 2 | 2003-11-11 |
Inclined shopping cart conveyor system Grant 6,490,979 - Pfleger , et al. December 10, 2 | 2002-12-10 |
Conveyor system including roller-guided carriage assemblies Grant 6,394,260 - Barth , et al. May 28, 2 | 2002-05-28 |
Safety mechanism for a vertical reciprocating conveyor Grant 5,228,537 - Pfleger , et al. July 20, 1 | 1993-07-20 |
Material transfer apparatus Grant 4,987,992 - Pfleger January 29, 1 | 1991-01-29 |
Apparatus for removing and installing batteries Grant 4,227,463 - Pfleger October 14, 1 | 1980-10-14 |
Safety leg construction for a dockboard Grant 3,902,213 - Pfleger , et al. September 2, 1 | 1975-09-02 |
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