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Patents for George W. Rothwell
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE2,369Oct. 02, 1866P.H. RootsImprovement in blowersblowers
62,948Mar. 19, 1867J.E. EmersonImprovement in saw-gumming machinestool making machines
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