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All Patents in class 408/121
Patents 1 - 15 of 67
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
5,894Oct. 31, 1848J. JohnsonHand-drillhand drills
20,728Jun. 29, 1858H.H. PackerHand-drillratchet braces
28,328May 15, 1860J.H. ParkerHand-drillratchet drills
37,971Mar. 24, 1863L.H. OlmstedRatchet braceratchet braces
38,486May 12, 1863S. IngersollImproved Friction Clutchhand drills
39,496Aug. 11, 1863E.A. RaymondRatchet Drillratchet drills
42,560May 03, 1864J.C. ChapmanRatchet Drillratchet drills
43,109Jun. 14, 1864H. GettyImproved ratchet-drillratchet drills
46,981Mar. 28, 1865E.H. AshcroftImproved ratchet-drillratchet drills
47,446Apr. 25, 1865L.H. OlmstedImproved ratchet-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
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