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All Patents in class 408/137
Patents 1 - 15 of 32
First set of recordsNext set of recordsLast set of records
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 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
151,444May 26, 1874E.W. Fawcett, A.R. SilverImprovement in Metal Drilling Machinesdrill presses
209,646Nov. 05, 1878E.N. Boynton, G.M. Coburn, T.F. CarverImprovement in metal-drilling machinesdrill presses
259,147Jun. 06, 1882F.L. HeughesHand drilling-machine
261,044Jul. 11, 1882J. RichardsMetal-drilling machinesdrill presses
265,624Oct. 10, 1882H. MuellerMachine For Tapping Mainsauxiliary wrenches
320,053Jun. 16, 1885W. DowellDrilling machinedrilling and boring
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