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Patents Granted on 1920-02-??
Patents 1 - 15 of 40
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NumberDatePatenteeTitleType
CA-196,921Feb. 03, 1920R.L. CarterCentering gauge
1,329,423Feb. 03, 1920T.W. McMikenSaw Filer and Gummersaw sharpening tools
1,329,456Feb. 03, 1920T.Z. CarpenterGagemeasurement gauges
1,329,532Feb. 03, 1920J.F. LincolnArc Welder Apparatuswelding machines
1,329,559Feb. 03, 1920N. TeslaValvular conduit
1,329,571Feb. 03, 1920A.G. AdairNut Turning Toolpneumatic tools
1,329,707Feb. 03, 1920E.J. HansenCombination Toolcan and jar openers
1,329,729Feb. 03, 1920J. SwartzMeasuring Instrumentindicating calipers
1,329,780Feb. 03, 1920J. LeboviciPower-transmitting apparatus
1,329,857Feb. 03, 1920R. RosnerMilling and Grinding Tool Holdersharpening tool holders
1,329,911Feb. 03, 1920M. LentiGageindicating calipers
1,329,970Feb. 03, 1920H.J. HauserDrill-jigdrill and tap guides
D54,394Feb. 10, 1920M.R. DodgeToolfirehose and hydrant wrenches
D54,461Feb. 10, 1920W.F. SchefflerCombined Wrench and Spring-Leaf Oilerwrench combination tools
CA-197,082Feb. 10, 1920J.C. McLachlanValve mechanism for motorsinternal combustion engine valves
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