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All Patents in class 408/137
Patents 1 - 15 of 56
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NumberDatePatenteeTitleType
9,729May 17, 1853A.H. LongleyImprovement in Machines for Cutting Wooden Screwswood threading machines
10,261Nov. 22, 1853H. SmithApparatus for cutting screws on bedstead-rails, &c.specialty woodworking machines
18,612Nov. 10, 1857J. ThrasherClamp for Boring Hubs
18,977Dec. 29, 1857L. KittingerDevice for throwing into and out of gear the tool of mortising-machinesportable timber mortisers
37,384Jan. 13, 1863J.C. ChapmanBoring and Squaring Off Cylindersmetalworking machine mechanisms
55,918Jun. 26, 1866F. ShallerImproved drilling-machinedrilling and boring
86,001Jan. 19, 1869C.W. CoeImproved drilling and bolt-tapping machinedrill presses
95,483Oct. 05, 1869G. Tainter, W.J. JohnsonImprovement in boring-toolhand drills
95,627Oct. 12, 1869A. AllanImprovement in boring-tooldrilling and boring
138,570May 06, 1873H. MartinDrilling Machinesportable metal drilling machines
142,356Sep. 02, 1873T.J. SloanRatchet Drillsratchet drills
151,444May 26, 1874E.W. Fawcett, A.R. SilverImprovement in Metal Drilling Machinesdrill presses
184,686Nov. 21, 1876J. MillerMachines for Tapping Pipes Under Pressureplumber
209,646Nov. 05, 1878T.F. Carver, G.M. Coburn, E.N. BoyntonImprovement in metal-drilling machinesdrill presses
222,972Dec. 23, 1879J.B. WhiteFeed Screw for Drillsdrill feed screws
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