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Patents Granted on 1891-06-23
Patents 1 - 15 of 20
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NumberDatePatenteeTitleType
D20,852Jun. 23, 1891W. KendallClaw Hammerhammers
454,462Jun. 23, 1891R. EickemeyerElectric elevator
454,481Jun. 23, 1891C. KennedyStone Planing Machinestone dressing machines
454,516Jun. 23, 1891H.E. BrownMicrometer Gagemicrometers
454,542Jun. 23, 1891W.A. BernardVisebench vises
454,569Jun. 23, 1891J.H. DysonCaliperscalipers
454,612Jun. 23, 1891B. DonahueWrenchwrench jaw components
454,622Jun. 23, 1891N. TeslaSystem of electric lighting
454,642Jun. 23, 1891W.F. FolmerPocket Lamplamps
454,678Jun. 23, 1891M. CumminsWrenchquick adjust wrenches
454,684Jun. 23, 1891J.M. ParkerSpool lathespool or bobbin machines
454,693Jun. 23, 1891C. WiesVisebench vises
454,730Jun. 23, 1891R.S. Greenlee, E.G. StromForming and sanding door panelssanding machines
454,738Jun. 23, 1891E.F. HolmgreenRotary Enginerotary steam engines
454,764Jun. 23, 1891J. PleukharpMachine for forming and hooping barrelscooper
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