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Patents Granted on 1930-09-16
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,775,671Sep. 16, 1930T.E. DunnElectrolytic Method of Cleaning Metal
1,775,787Sep. 16, 1930U.F. Steindorff, H.J. HellerPower-driven shearsmetal shearing machines
1,775,791Sep. 16, 1930G.A. UngarCutting shears and driving mechanism thereformetal shearing machines
1,775,815Sep. 16, 1930F.O. DomeAutomatic Shingle Guidespecial purpose gauges
1,775,992Sep. 16, 1930G.W. EmrickChuck devicetapping machines
1,775,993Sep. 16, 1930G.W. EmrickChuck devicetapping machines
1,775,994Sep. 16, 1930G.W. EmrickDrill chuckdrill press chucks
1,776,014Sep. 16, 1930A.J. VanceAir and vapor control for driersveneer machines
1,776,159Sep. 16, 1930M.C. Dellinger, H.W. KulpShieldvalve spring tools
1,776,236Sep. 16, 1930F.S. McQuestonStopping mechanism for electrically-driven spindleswood shapers
1,776,238Sep. 16, 1930R.L. SmithMethod of and mechanism for stopping rotary shaper spindleswood shapers
1,776,241Sep. 16, 1930F.S. Haas, J.E. CasterGrinding Machinerygrinding machines
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