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US2018201249A1
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Vehicle system
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US8561744B1
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Vehicle with multiple engines coupled to a transmission via a jackshaft
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US2009288899A1
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Vehicle with multiple engines coupled to a transmission via a jackshaft
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US7641584B1
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Vehicle with primary cruiser engine and auxiliary accelerator engine
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US7647994B1
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Hybrid vehicle having an electric generator engine and an auxiliary accelerator engine
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US7287797B1
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Automotive vehicle having a modular plastic body attached to a metal chassis
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US7325638B1
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Motor vehicle with a primary engine for acceleration and secondary engine augmented by an electric motor for cruising
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US7410021B1
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Fuel-efficient vehicle with auxiliary cruiser engine
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US7270030B1
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Transmission with multiple input ports for multiple-engine vehicles
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US7080622B1
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Internal combustion engine with multiple independently rotating crankshafts and common output shaft
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US7057500B1
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Rear view monitoring system for motor vehicles
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US4848701A
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Vertical take-off and landing aircraft
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