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Patents for S. W. Piper
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
D6,764Jul. 08, 1873S.W. Putnam, Jr.Design for frame of bolt-threading machinesmetal threading machines
142,143Aug. 26, 1873J.R. BrownPipe-Tongspipe tongs
145,929Dec. 30, 1873J.R. BrownPipe-Tongspipe tongs
150,131Apr. 28, 1874J.R. BrownPipe-Tongspipe tongs
164,942Jun. 29, 1875G.C. SimsGovernor for Steam Enginessteam engine governors
172,550Jan. 25, 1876J.R. BrownPipe-Tongspipe tongs
172,551Jan. 25, 1876J.R. BrownImprovement in Coach-Wrenchespipe and nut combination wrenches
174,354Mar. 07, 1876I. CresseyPipe-Wrenchpipe wrenches
181,331Aug. 22, 1876A. GruberImprovement in Dividersdividers
185,486Dec. 19, 1876C.H. BushScrew-Driverscrewdriver handles
188,298Mar. 13, 1877R. JonesCoach-Wrenchquick adjust wrenches
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