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All Patents of Type: horizontal boring mills
Patents 1 - 15 of 90
First set of recordsNext set of recordsLast set of records
115,824Jun. 13, 1871B.F. CoppImprovement in Wheel-Borers and Key-Way Cuttershorizontal boring mills
139,482Jun. 03, 1873W. SellersImprovement in wheel-quartering machineshorizontal boring mills
157,034Nov. 17, 1874W.D. SquiresMachines for Enlarging the Bore of Gun-Barrelshorizontal boring mills
461,202Oct. 13, 1891A.D. PentzBoring-enginemilling machines
493,471Mar. 14, 1893A. BettsDrilling Machinehorizontal boring mills
528,381Oct. 30, 1894W.P. NortonDrilling Machinehorizontal boring mills
GB-189,625,037Oct. 16, 1897E.G. Wrigley, W.A. Pearn, F. PearnImprovements in tools or machines for facing, turning, boring and otherwise cutting flanges on castings and for operating upon other articleshorizontal boring mills
642,138Jan. 30, 1900H.K. LeeMachine for boring metalhorizontal boring mills
739,381Sep. 22, 1903H.B. BinsseBoring Machinehorizontal boring mills
779,931Jan. 10, 1905A.T. Allcock, W. HarkerBoring Machinehorizontal boring mills
GB-190,511,870Mar. 01, 1906W.A. Pearn, F. PearnImprovements in connection with machine tools for milling, facing, and cutting metalsmetal lathes
GB-190,714,922May 21, 1908W.A. Pearn, F. PearnImprovements in machines for milling, facing, and other metal cutting operationsmetal lathes
919,823Apr. 27, 1909E. ChildsMachine for Drilling Stockhorizontal boring mills
GB-190,817,999Aug. 27, 1909J.P. Slade, T.B. BurtonImprovements in mechanism for operating friction clutcheshorizontal boring mills
941,269Nov. 23, 1909W.A. Pearn, F. PearnMachine for milling, facing, and other metal-cutting operationsmetal lathes
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