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All Patents in class 451/162
Patents 1 - 5 of 5
First set of recordsLast set of records
299,496May 27, 1884J. RichardsMetal Boring and Slotting Machinevertical boring mills
322,838Jul. 21, 1885W.C. MargedantMachine for finishing plow-beams
437,284Sep. 30, 1890W.G. BudlongCombined metal-working machinemetalworking machines
960,480Jun. 07, 1910E.N. Boswell, F. AllnerPlaner Attachmentmetal planer accessories
1,167,371Jan. 11, 1916J. AllenScraper Vise & Burnisher
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