KOSCINSKI, District Judge.
Plaintiff brought this suit under the Federal Declaratory Judgment Act, 28 U. S.C.A. §§ 2201, 2202, to secure adjudication of invalidity, for lack of invention, and also for adjudication of non-infringement, of seven patent claims under three patents owned by the defendant Divco Corporation, namely, 1,777,966, issued October 7, 1930 to Fageol, on application filed August 16, 1927, renewed February 21, 1930, relating to delivery...
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