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Patents for James Robson
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
220,174Sep. 30, 1879J. RobsonGas-Enginegas and gasoline engines
GB-187,904,501Nov. 04, 1879J. RobsonGas Enginegas and gasoline engines
243,795Jul. 05, 1881J. RobsonGas Enginegas and gasoline engines
278,600May 29, 1883J. RobsonGas Enginegas and gasoline engines
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