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Patents Granted on 1939-01-31
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-499,888Jan. 31, 1939Improvements in or Relating to Work-Feed Mechanism for Screw and Similar Machinesscrew machines
GB-499,945Jan. 31, 1939H.W. KearnsImprovements in combined surfacing and boring machineshorizontal boring mills
2,145,255Jan. 31, 1939A.G. Ericson, B.R. GranbergBrake mechanism
2,145,568Jan. 31, 1939J.J. FaberShingle millshingle machines
2,145,793Jan. 31, 1939E.S. HinelineCamera Structure Particularly for Color Separationcameras
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