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All Patents in class 81
Patents 16 - 30 of 6569
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NumberDatePatenteeTitleType
5,009Mar. 13, 1847Z.W. AveryRatchet-Wrenchratchet wrenches
5,707Aug. 15, 1848S. MerrickImproved screw wrenchnut wrenches
6,002Jan. 02, 1849F.H. Bartholomew, S. MerrickScrew Wrench For Grasping Cylindrical Formspipe wrenches
6,077Jan. 30, 1849A. HayImproved Hinged Claw-Wrenchself-adjust wrenches
6,210Mar. 20, 1849D.H. ChamberlainSliding Wrenchnut wrenches
6,256Apr. 03, 1849W.T. BarnesAuger Stockauger handles
RE139Jun. 26, 1849L. CoesImprovement In Screw-Wrenchesnut wrenches
7,362May 14, 1850N. ColverRevolving-Jaw Wrenchnut wrenches
7,688Oct. 01, 1850G. SanfordAuger-Handleauger handles
7,815Dec. 03, 1850A. ThayerAuger-Handleauger handles
RE203Jun. 17, 1851E.L. Larkin, J.E. LarkinMethod of Attaching Augers to Their Handlesauger bits
8,464Oct. 28, 1851M.S. BrooksMeans for Attaching Augers, &c., to their Handlesauger handles
RE207Nov. 25, 1851S. MerrickWrenchnut wrenches
8,878Apr. 13, 1852G.C. TaftDouble-Lever Box Opener
8,922May 04, 1852A. HotchkissAdjustable Screw-Slide Wrenchscrew adjust wrenches
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