KERNER, Circuit Judge.
This was a complaint in which plaintiff Independent Pneumatic Tool Company prayed that the court enter a declaratory judgment that defendant's Amtsberg patent 2219883, issued October 29, 1940, on an application filed June 5, 1937, and Fitch patent 2219865, issued October 29, 1940, on an application filed October 14, 1938, were invalid, and that plaintiff's "Thor Wrench" was not an infringement of either of these patents. The defendant Chicago...
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