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Patents Granted on 1947-04-29
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,419,639Apr. 29, 1947W.F. GroeneLathe Transmission and Control Mechanismmachine tool controls
2,419,726Apr. 29, 1947H. PelphreyAutomatic Worm Gear Hobbing Machinegear making machines
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