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Patents Granted on 1915-11-23
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,161,056Nov. 23, 1915H.R. LiebsteinLathe Tool Holderlathe tool holders and tool posts
1,161,070Nov. 23, 1915H.M. NeerValve Grindervalve grinding tools
1,161,122Nov. 23, 1915A.F. FroussardTube Cleanertube cleaning machines
1,161,210Nov. 23, 1915J.M. HargraveWork-holding jawbar and pipe clamps
1,161,477Nov. 23, 1915A.J. HortonCircuit-controllerelectric switches
1,161,752Nov. 23, 1915G.B. ThomasElectric switchelectric switches
1,161,765Nov. 23, 1915E.H. DunbarShoe Measurung Devicecobbler
1,161,775Nov. 23, 1915E.E. JonesBelt-manipulatorindustrial machine pulleys and belt drive mechanisms
1,161,777Nov. 23, 1915J. La RockPipe Wrenchpipe tongs
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