MANSFIELD, District Judge.
In this action for a declaratory judgment initiated by plaintiff Ansul, in which plaintiffs-interveners later joined, plaintiff seeks an adjudication of invalidity, unenforceability and non-infringement of Claims 1 and 7 of U. S. Patent No. 2,614,916 (the "916" patent herein), issued on October 21, 1952 to two scientists then employed by defendant Uniroyal, Inc. (Otto Hoffman and Dwight Schoene) and assigned by them to it, which granted...
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