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Patents for Whipple File Mfg. Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
38,135Apr. 07, 1863J.S. Shattuck, D. ShattuckImproved machine for cutting raspsmaking files
39,782Sep. 01, 1863T. Smith, J.A. StaffordImproved Machine for Grinding Half Round Filesfiles
RE1,881Feb. 21, 1865M.D. WhippleImprovement in Machines for Cutting Filesmaking files
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