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Trailer for a bicycle
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Patent number 10,239,369
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Issue date Mar 26, 2019
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Brueggli
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Reto Guntersweiler
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Power assist for bicycles
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Patent number 6,290,014
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Issue date Sep 18, 2001
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Paul B. MacCready
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Tow vehicle system
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Patent number 5,385,210
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Issue date Jan 31, 1995
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William B. Harvey
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A63 - SPORTS GAMES AMUSEMENTS
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Bicycle power pack
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Patent number 4,461,365
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Issue date Jul 24, 1984
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Thomas M. Diggs
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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