US2119460A
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Semitrailer fifth wheel brake and electric connection
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US2092115A
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Automatic brake connection for semitrailer vehicles
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US2078492A
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Compensating draft coupling for tractors and trailers
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US1995920A
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Compensating draft coupling for tractors and trailers
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US1941682A
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Fifth wheel connecter for semitrailers
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US1926334A
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Tandem mounting for truck and trailer axles
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US1887756A
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Recess light for motor vehicles and trailers
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US1860537A
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Brake for truck trailers
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CA355915A
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Tractor and trailer coupler
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CA369488A
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Garbage collector
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CA345671A
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Tractor and trailer coupler
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CA297794A
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Brake for truck trailers
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CA355916A
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Semi-trailer fifth wheel brake
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CA369487A
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Garbage collector
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CA319077A
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Fifth wheel connector for semitrailers
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CA321227A
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Truck and trailer tandem axle mounting
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CA312150A
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Recess light for motor vehicles and trailers
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