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All Patents in class 81/170
Patents 1 - 15 of 105
First set of recordsNext set of recordsLast set of records
1,659Jun. 27, 1840H.W. HewetScrew Wrenchnut wrenches
17,531Jun. 09, 1857E.J. WorcesterImproved Adjustable Fork-Jaw Wrenchscrew adjust wrenches
22,122Nov. 23, 1858J. HydeScrew-Wrenchnut wrenches
29,623Aug. 14, 1860W. RussellWrench and Visenut wrenches
31,826Mar. 26, 1861C.H. ReynoldsImproved Screw-Wrenchpipe wrenches
38,316Apr. 28, 1863A.Y. McDonaldImprovement in Screw-Wrenchesnut wrenches
41,995Mar. 22, 1864H.W. HewetHewet Union Wrenchnut wrenches
42,961May 31, 1864W.C. NoyesWrenchscrew adjust wrenches
47,067Mar. 28, 1865A.Y. McDonaldImproved Wrenchscrew adjust wrenches
49,128Aug. 01, 1865H.W. LoveImproved Screw-Wrenchwrench jaw components
53,016Mar. 06, 1866H.W. LoveImprovement in Screw-Wrencheswrench jaw components
55,100May 29, 1866J. HegartyNut Wrenchbasin wrenches
55,190May 29, 1866W.W. WillsImprovemetnt in Pipe-Wrenchesscrew adjust wrenches
87,774Mar. 16, 1869H.W. HewetMode of Constructing a Tubular Adjusting Screw-Wrenchnut wrenches
103,653May 31, 1870T.C. PuringtonWrenchscrew adjust wrenches
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