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All Patents in class 264/DIG.046
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,226,447Dec. 24, 1940A. Allen, G. SmithMagnetic heater
  2,309,496Jan. 26, 1943G. Smith, L.F. Marsh, E.S. BirdHeating apparatus for injection molding machines
  2,339,607Jan. 18, 1944G. SmithMethod of preparing moldable material
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