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All Patents in class 72/101
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,627Jan. 06, 1852J.F. FlandersCutting and Bending Sheet Metaltinsmith
9,982Aug. 30, 1853E. SavageImprovement in machinery for cutting and bending metallic diskstinsmith
25,278Aug. 30, 1859C.H. RaymondMaking Sheet-Metal Vesselstinsmith
79,735Jul. 07, 1868F.S. De WittSwaging Machinemetal swaging machines
244,250Jul. 12, 1881W.W. JonesMachine for making rims for metal vesselssheet metal flanging machines
434,960Aug. 26, 1890E.E. StowTinsmith's Machinesheet metal forming rolls
554,811Feb. 18, 1896J. BrowningKnurling Machineembossing and knurling machines
784,244Mar. 07, 1905E. ZehMachine for screw-threading sheet-metal pipessheet metal
1,774,155Aug. 26, 1930L.S. PlatouSheet Metal Working Machinesheet metal
1,812,479Jun. 30, 1931P.R. HahnemannSheet metal working machinesheet metal
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