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                        Powered wheel assembly
                    
                                            
                                - 
                                    Patent number 6,745,859
                                
 
                                - 
                                    Issue date Jun 8, 2004
                                
 
                        
                                            
                                - 
                                        
                                    Beverly Ann Simons
                                 
                        
                                            
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        Human assisted walking robot
                    
                                            
                                - 
                                    Patent number 6,422,329
                                
 
                                - 
                                    Issue date Jul 23, 2002
                                
 
                        
                                            
                                - 
                                        
                                    Homayoon  Kazerooni
                                 
                        
                                            
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                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        Motorized wheelbarrow
                    
                                            
                                - 
                                    Patent number 5,465,801
                                
 
                                - 
                                    Issue date Nov 14, 1995
                                
 
                        
                                            
                                - 
                                        
                                    Terry A. Hoover
                                 
                        
                                            
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        Tow vehicle system
                    
                                            
                                - 
                                    Patent number 5,385,210
                                
 
                                - 
                                    Issue date Jan 31, 1995
                                
 
                        
                                            
                                - 
                                        
                                    William B. Harvey
                                 
                        
                                            
                                - 
                                        
                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
            - 
                
                
                    
                        Power driven wheel barrow
                    
                                            
                                - 
                                    Patent number 5,305,843
                                
 
                                - 
                                    Issue date Apr 26, 1994
                                
 
                        
                                            
                                - 
                                        
                                    Leonard J. Armstrong
                                 
                        
                                            
                                - 
                                        
                                    F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
                                 
                        
                 
             
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                        Motorized wheelbarrow
                    
                                            
                                - 
                                    Patent number 4,589,508
                                
 
                                - 
                                    Issue date May 20, 1986
                                
 
                        
                                            
                                - 
                                        
                                    William A. Hoover
                                 
                        
                                            
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        Trailer drive apparatus
                    
                                            
                                - 
                                    Patent number 4,162,711
                                
 
                                - 
                                    Issue date Jul 31, 1979
                                
 
                        
                                            
                                - 
                                        
                                    Gordon  Cornelius
                                 
                        
                                            
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        Utility tractor
                    
                                            
                                - 
                                    Patent number 3,986,573
                                
 
                                - 
                                    Issue date Oct 19, 1976
                                
 
                        
                                            
                                - 
                                        
                                    Robert C. Alderson
                                 
                        
                                            
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
            - 
                
                
                    
                        Garden tractor
                    
                                            
                                - 
                                    Patent number 3,960,231
                                
 
                                - 
                                    Issue date Jun 1, 1976
                                
 
                        
                                            
                                - 
                                        
                                    Lawrence Peska Associates, Inc.
                                 
                                - 
                                        
                                    John B. McCormick
                                 
                        
                                            
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        3750777
                    
                                            
                                - 
                                    Patent number 3,750,777
                                
 
                                - 
                                    Issue date Aug 7, 1973
                                
 
                        
                                                                
                                - 
                                        
                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        3680640
                    
                                            
                                - 
                                    Patent number 3,680,640
                                
 
                                - 
                                    Issue date Aug 1, 1972
                                
 
                        
                                                                
                                - 
                                        
                                    A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
                                 
                        
                 
             
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                        3360065
                    
                                            
                                - 
                                    Patent number 3,360,065
                                
 
                                - 
                                    Issue date Dec 26, 1967
                                
 
                        
                                                                
                                - 
                                        
                                    A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
                                 
                        
                 
             
            - 
                
                
                    
                        3212595
                    
                                            
                                - 
                                    Patent number 3,212,595
                                
 
                                - 
                                    Issue date Oct 19, 1965
                                
 
                        
                                                                
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
            - 
                
                
                    
                        3193038
                    
                                            
                                - 
                                    Patent number 3,193,038
                                
 
                                - 
                                    Issue date Jul 6, 1965
                                
 
                        
                                                                
                                - 
                                        
                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        3007536
                    
                                            
                                - 
                                    Patent number 3,007,536
                                
 
                                - 
                                    Issue date Nov 7, 1961
                                
 
                        
                                                                
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
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                        2710069
                    
                                            
                                - 
                                    Patent number 2,710,069
                                
 
                                - 
                                    Issue date Jun 7, 1955
                                
 
                        
                                                                
                                - 
                                        
                                    A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
                                 
                        
                 
             
            - 
                
                
                    
                        2670052
                    
                                            
                                - 
                                    Patent number 2,670,052
                                
 
                                - 
                                    Issue date Feb 23, 1954
                                
 
                        
                                                                
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
            - 
                
                
                    
                        2649162
                    
                                            
                                - 
                                    Patent number 2,649,162
                                
 
                                - 
                                    Issue date Aug 18, 1953
                                
 
                        
                                                                
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
                                 
                        
                 
             
            - 
                
                
                    
                        2645987
                    
                                            
                                - 
                                    Patent number 2,645,987
                                
 
                                - 
                                    Issue date Jul 21, 1953
                                
 
                        
                                                                
                                - 
                                        
                                    A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
                                 
                        
                 
             
            - 
                
                
                    
                        2545781
                    
                                            
                                - 
                                    Patent number 2,545,781
                                
 
                                - 
                                    Issue date Mar 20, 1951
                                
 
                        
                                                                
                                - 
                                        
                                    B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS