GALSTON, District Judge.
This complaint charges infringement of two letters patent to Edward F. Olsen: one mechanical patent, No. 2,623,368, issued December 30, 1952; and the other design letters patent, No. 165,778, issued January 29, 1952. The answer denies infringement and alleges invalidity of the patents.
Both patents relate to a spill proof fluid container, and more particularly, as the patentee says in the mechanical patent, to a cover construction...
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