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All Patents in class 62/115
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  2,008,663Jul. 23, 1935E.J. DillmanApparatus and Method for Controlling Refrigeration
  2,125,842Aug. 02, 1938L.W. EgglestonRefrigerating Apparatus
  2,187,038Jan. 16, 1940I.J. KnudsonMethod of and Apparatus for Cold Control
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