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Patents for George Challoner
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
49,228Aug. 08, 1865G. ChallonerImprovement in shingle-machinesshingle machines
115,932Jun. 13, 1871G. ChallonerImprovement in shingle-machinesshingle machines
132,086Oct. 08, 1872W. LambImprovement in log-carriages for sawmillssawmills
214,490Apr. 22, 1879G. ChallonerImprovement in shingle-sawing machinesshingle machines
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