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Patents Granted on 1919-__-__
Patents 1 - 15 of 285
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1,290,489Jan. 07, 1919W.J. BauerSpiral tool-driverspiral screwdrivers
1,290,550Jan. 07, 1919F. HardingeCross slide mechanism for lathesmetal lathes
1,290,813Jan. 07, 1919I.A. WeaverTowing-poleautomobile mechanic
1,290,896Jan. 14, 1919W.L. BryantMachine for grinding metalgrinding machines
1,290,897Jan. 14, 1919W.L. BryantGrinding-toolgrinding machines
1,290,921Jan. 14, 1919J.A. DavidsonMicrometer Caliperspecial purpose gauges
1,291,002Jan. 14, 1919H.W. HowlandCrosscut band-sawtree felling machines
1,291,118Jan. 14, 1919P. PlantingaRelieving Attachment for Lathesmetal lathe accessories
1,291,211Jan. 14, 1919J.T. SlocombThread Micrometermicrometers
1,291,534Jan. 14, 1919H.L. JohnstonCoffee-grinder
1,291,856Jan. 21, 1919L. HanebergPlaneplane beds
1,291,883Jan. 21, 1919J.B. HighlandFriction-clutchclutches
1,292,285Jan. 21, 1919M.J. FairchildSocket Wrenchsocket wrenches
1,292,579Jan. 28, 1919F.H. Clement, H.A. PerkinsDouble surfacerwood planers
1,292,714Jan. 28, 1919J.R. CookElectric motor-switchelectric motors
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