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Patents for George Heidman
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
460,190Sep. 29, 1891T.J. WeaverSaw Setsaw sets
575,239Jan. 12, 1897W.T. Emmes, G.A. HueweCombined paper-box and printing machinecardboard box making machines
582,341May 11, 1897P.H. CampbellWrenchpipe wrenches
655,692Aug. 14, 1900F.M. Snook, G.F. DanaIce Chipping Toolice shaves
754,620Mar. 15, 1904J.B. StanwoodValve-gearing for steam-enginessteam engine valve gear
807,104Dec. 12, 1905L.W. AndersonChange-speed gearingmetal shapers
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