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All Patents in class 74/816
Patents 1 - 15 of 31
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
136,450Mar. 04, 1873I.F. MurchMultiple Bit Devicedrill bits
144,214Nov. 04, 1873T.O. MillsGear Cutting Attachments to Lathesmetal lathe accessories and attachments
156,705Nov. 10, 1874W.P. HopkinsGear Cutting Attachments for Lathesgear making machines
174,596Mar. 07, 1876C. WalkerGear Cutting Attachment for Metal Lathemetal lathe accessories and attachments
208,491Oct. 01, 1878J.W. PostGear Cutting Attachment for Lathesmetal lathe accessories and attachments
276,346Apr. 24, 1883W. Scully, J. BrooksGear Cuttergear making machines
343,980Jun. 22, 1886A.H. BrainardDividing Engineindexers and dividers
359,377Mar. 15, 1887G.F. BallouGear Cutting Device for Lathesmetal lathe accessories and attachments
431,809Jul. 08, 1890J. HartnessAttachment for Metal Screw Machinesmetal lathe accessories and attachments
432,621Jul. 22, 1890F. HolzMilling Machineindexers and dividers
517,168Mar. 27, 1894F.H. RichardsTurret Mechanismturret lathes
539,792May 28, 1895F.H. BultmanAutomatic gear-cutting and milling machinegear making machines
571,402Nov. 17, 1896F. SchneiderLatheturret lathes
574,162Dec. 29, 1896G.G. PrenticeMultiple Screw Machinescrew machines
579,620Mar. 30, 1897J. WeberLathemetal lathe accessories and attachments
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