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Patents for S. N. Piper
Patents 1 - 15 of 34
First set of recordsNext set of recordsLast set of records
71,015Nov. 19, 1867R.K. HuntoonGovernor for Steam Enginessteam engine governors
77,719May 12, 1868M.V. CummingsMowing Machinemowing machines
79,724Jul. 07, 1868J.R. BrownImprovement in Pipe-Tongspipe tongs
81,242Aug. 18, 1868F.S. BabbittImprovement in nozzles for pipes
RE3,759Dec. 14, 1869R.K. HuntoonImprovement in steam-engine governorssteam engine governors
98,747Jan. 11, 1870J.D. DavisImprovement in Pipe-Tongspipe tongs
99,137Jan. 25, 1870G.C. BeckwithImprovement in Joiners' Planesbench planes
101,300Mar. 29, 1870C.D. MooreImprovement in saw-millscrollsaws
108,321Oct. 18, 1870J.R. BrownImprovement in Box-Scraperbox scrapers
109,912Dec. 06, 1870S.U. KingImprovement in latheswood lathes
111,422Jan. 31, 1871O.G. BarrettPipe Wrenchwrench jaw components
115,368May 30, 1871D.W. SimmonsWheeled Marking Gagemarking gauges
116,545Jul. 04, 1871I.F. BrownImproved Lathe Tool Supporterlathe tools
118,732Sep. 05, 1871W.A. LongImprovement in Milling Machinesmilling machines
127,990Jun. 18, 1872E.H. RollinsImprovement in machines for squaring the ends of boardscircular crosscut saws
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