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All Patents in class 451/162
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
299,496May 27, 1884J. RichardsMetal Boring and Slotting Machinevertical boring mills
322,838Jul. 21, 1885W.C. MargedantMachine for finishing plow-beams
422,874Mar. 04, 1890L.B. BentonTool Grindertool grinders
437,284Sep. 30, 1890W.G. BudlongCombined metal-working machinemetalworking machines
951,961Mar. 15, 1910J. MiotkeFiling Device for Scraper Bladessharpening tools and fixtures
956,350Apr. 26, 1910J.E. HillstromScraper-sharpenersharpening machines
960,480Jun. 07, 1910E.N. Boswell, F. AllnerPlaner Attachmentmetal planer accessories
1,113,650Oct. 13, 1914W.A. KelseyTool Holdersharpening tool holders
1,167,371Jan. 11, 1916J. AllenScraper Vise & Burnisher
3,156,073Nov. 10, 1964R.H. StrasbaughIrregular, Non-Repetitive, Closed-Loop Surfacing Mechanismlapping machines
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