DAVIS, Circuit Judge.
This is an appeal and cross-appeal from a decree of the District Court, dismissing the complaint in a suit charging the defendants, Delaware Electric & Supply Company and Decatur Pump Company, with infringement of the reissue of United States letters patent No. 16,074, for a rotary pump, issued on May 19, 1925, to Adolph Wahle of Iowa. The original patent, No. 1,228,267, was issued to Wahle on May 29, 1917. The plaintiff was the exclusive...
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