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All Patents in class 408/121
Patents 1 - 15 of 33
First set of recordsNext set of recordsLast set of records
5,894Oct. 31, 1848J. JohnsonHand-drillhand drills
20,728Jun. 29, 1858H.H. PackerHand-drillratchet braces
37,971Mar. 24, 1863L.H. OlmstedRatchet braceratchet braces
RE2,140Jan. 02, 1866H.H. PackerImprovement in drillsratchet braces
52,106Jan. 16, 1866N.W. WoodburyImproved Wrench and Drillhand drills
57,466Aug. 28, 1866G.W. BishopImprovement in ratchet-drillsratchet braces
69,399Oct. 01, 1867W. BrownImprovement in Ratchet-Bracesratchet braces
71,463Nov. 26, 1867E. Davies, R.H. TauntonImproved tool for drilling metalsbraces
75,090Mar. 03, 1868T.A. WestonImprovement in Ratchet-Head and Leverratchet wrenches
78,183May 26, 1868W.C. BurchImproved hand-drillhand drills
79,115Jun. 23, 1868M. HaingueDrill-stock (engineer's)hand drills
128,430Jun. 25, 1872T.J. SloanImprovement in hand drilling-machinesbrace handles
156,602Nov. 03, 1874H. SmithRatchet-Drillsdrill accessories
173,145Feb. 08, 1876H.R. WayImprovement in Ratchet-Drillsratchet braces
253,549Feb. 14, 1882J.A. MillerCombined Wrench and Drillratchet wrenches
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