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Patents for John H. Shumway
Patents 16 - 27 of 27
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
89,335Apr. 27, 1869L.J. ParsonsImproved Tool Adjuster for Lathesmetal lathe accessories and attachments
90,755Jun. 01, 1869W.A. IvesImprovement in Auger-Bitsauger bits
92,573Jul. 13, 1869L.P. BradleyImprovement in tape-measurestape measures
98,002Dec. 14, 1869R. McChesney, D. WilcoxImproved machine for making carriage-clips
98,795Jan. 11, 1870F.P. PflegharImprovement in knob-latchesdoor and window hardware
100,928Mar. 15, 1870J. RootImproved machine for heading boltsnut or bolt making machines
112,255Feb. 28, 1871W.A. IvesImprovement in Methods of Forming Spur Lips of Auger Bits
114,179Apr. 25, 1871F.B. MorseImprovement in Wrenchesquick adjust wrenches
115,541May 30, 1871J. SwanImprovement in Augersauger bits
118,891Sep. 12, 1871J.A. Wilcox, W.S. WilcoxImprovement in Pipe Wrenchpipe wrenches
124,486Mar. 12, 1872J.M. EvartsImprovement in Corn Huskerscorn huskers
128,821Jul. 09, 1872H.C. SmithImprovement in Drawing-Knivesdraw knives
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