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Patents for A. H. Swarthout
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
399,066Mar. 05, 1889C.S. McMillanSaw-gummersaw gummers
438,230Oct. 14, 1890J.G. ErdFlue Hole Cutterboilermaker
503,768Aug. 22, 1893E.C. MershonBand sawing-machineband resaws
505,080Sep. 12, 1893E.C. MershonBand sawing-machineband resaws
521,214Jun. 12, 1894J.O. LadeSpoke-tenoning machinewheelwright
526,354Sep. 18, 1894W. MerrillWood-cutting machinewood grinding machines
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