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Four position hand truck
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Patent number 11,560,168
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Issue date Jan 24, 2023
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Two position hand truck
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Patent number 11,472,461
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Issue date Oct 18, 2022
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Four position hand truck
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Patent number 10,864,933
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Issue date Dec 15, 2020
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Hand truck with folding toe plate
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Patent number 10,703,397
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Issue date Jul 7, 2020
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Dual hand truck
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Patent number 6,308,967
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Issue date Oct 30, 2001
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Harper Trucks, Inc.
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John J. Stallbaumer
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Hand truck
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Patent number D395105
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Issue date Jun 9, 1998
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Harper Trucks, Inc.
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John J. Stallbaumer
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D34 - Material or article handling equipment
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Composite hand truck
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Patent number 5,749,588
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Issue date May 12, 1998
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Harper Trucks, Inc.
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John J. Stallbaumer
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Hand truck side frame
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Patent number D384467
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Issue date Sep 30, 1997
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Harper Trucks, Inc.
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John J. Stallbaumer
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D34 - Material or article handling equipment
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Foldable hand truck apparatus
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Patent number 5,549,317
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Issue date Aug 27, 1996
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Harper Truck, Inc.
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Gary L. Dunkle
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Foldable hand truck assembly
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Patent number D354601
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Issue date Jan 17, 1995
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Harper Trucks, Inc.
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Gary L. Dunkle
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D34 - Material or article handling equipment
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Hand truck stair crawler assembly
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Patent number 5,253,881
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Issue date Oct 19, 1993
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Harper Trucks, Inc.
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Gary L. Dunkle
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Drum dolly attachment apparatus
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Patent number 4,902,187
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Issue date Feb 20, 1990
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Harper Truck, Inc.
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Kenneth E. Rousseau
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Hand truck
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Patent number D278373
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Issue date Apr 9, 1985
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Harper Truck, Inc.
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Kenneth E. Rousseau
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D34 - Material or article handling equipment
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Wire guide and retainer assembly
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Patent number 4,433,816
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Issue date Feb 28, 1984
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Harper Trucks, Inc.
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Kenneth E. Rousseau
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Two Position Hand Truck
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Publication number 20240343289
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Publication date Oct 17, 2024
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Four Position Hand Truck
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Publication number 20230331275
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Publication date Oct 19, 2023
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Two Position Hand Truck
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Publication number 20230117807
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Publication date Apr 20, 2023
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Four Position Hand Truck
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Publication number 20220227403
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Publication date Jul 21, 2022
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Two Position Hand Truck
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Publication number 20200283049
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Publication date Sep 10, 2020
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Four Position Hand Truck
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Publication number 20180346009
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Publication date Dec 6, 2018
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Harper Trucks, Inc.
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José Angel Caceres Mendoza
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Multipurpose storage and transport cart
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Publication number 20030062700
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Publication date Apr 3, 2003
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Harper Trucks, Inc.
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John J. Stallbaumer
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS