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All Patents in class 72/478
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,554May 09, 1848T. HollisterImprovement in the Formation of Diesstamping press dies
201,530Mar. 19, 1878C.F. JacobsonMachine for Making Twist Drillsmaking drills and augers
295,547Mar. 25, 1884H. HammondDie For Forging Hammershammers
309,620Dec. 23, 1884J. HausmanHammer Dieshammers
378,251Feb. 21, 1888C.H. IrwinDie for Making Auger-Bitsmaking drills and augers
438,970Oct. 21, 1890J.W. YatesMachine for making sheet-metal moldingsmetal bending machines
633,280Sep. 19, 1899J.R. BlakesleeDie and Tool for Upsetting Tubesforging dies
1,000,050Aug. 08, 1911W.S. ThomsonDie For Forgingmaking wrenches
1,086,508Feb. 10, 1914H.O. BrownTool Guide and Holdertool holders
1,253,553Jan. 15, 1918B.F. WinterhoffApparatus for smoothing and calibrating tapered and curved hollow metal bodies, such as bows for wind instrumentsmusic instrument maker
1,395,617Nov. 01, 1921W. StubbsApparatus for Twisting Metal Barsmetal twisting machines
1,506,640Aug. 26, 1924W.W. HummelSealer
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