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Patents for George G. Porter
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
829,669Aug. 28, 1906G.G. PorterDevice for governing the flow of fluids
874,989Dec. 31, 1907G.G. PorterSteering-gear
943,845Dec. 21, 1909F.E. Cable, G.G. PorterUniversal milling attachmentmilling machines
1,012,430Dec. 19, 1911G.G. Porter, F.E. CableHigh-speed attachment for milling-machinesmilling machine accessories
1,196,024Aug. 29, 1916F.E. Cable, G.G. PorterLathemetal lathes
1,360,016Nov. 23, 1920G.G. PorterBoring and cutting toollathe tools
1,385,491Jul. 26, 1921G.G. PorterBack-facing attachment for lathesmetal lathe accessories and attachments
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