CAMPBELL, District Judge.
This is an action based on the alleged infringement of patent No. 1,710,073, issued to Samuel Ruben, for electrical condenser, granted April 23, 1929, on an application filed March 21, 1927; and patent No. 1,714,191, issued to Samuel Ruben, for electrical condenser, granted May 21, 1929, on an application filed December 22, 1926, by the defendant Copeland Refrigeration Corporation, in the sale of certain dry electrolytic condensers in conjunction...
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