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All Patents in class 72/357
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
178,967Jun. 20, 1876W. SellersHydraulic Apparatus for Holding Bars of Iron Against the Pressure Required to Upset Themmetalworking machine mechanisms
373,612Nov. 22, 1887F. SchreidtMachine for Upsetting Carriage Irons
1,595,588Aug. 10, 1926W.L. TuttleMethod and Apparatus for Making Wrench Socketsmaking wrenches
1,691,878Nov. 13, 1928J.R. BlakesleeMetal Workingdies for punch presses
1,691,879Nov. 13, 1928J.R. BlakesleeForging Mechanismforging apparatus and accessories
2,027,922Jan. 14, 1936N.F. McNaughtMethod of making wrench sockets
2,343,403Mar. 07, 1944W.W. CrileyForging Machineforging machines
3,302,438Feb. 07, 1967B.F. WareForging Machine for Extruding and Working Metal Articlesforging machines
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