PETERS, District Judge.
The plaintiff in this action seeks a declaratory judgment declaring invalid certain claims in Letters Patent of the United States No. 2,160,810, issued June 6, 1939, to E. J. Abbott, assignor of the defendant; or, if valid, that the patent is not infringed by two certain machines made by the plaintiff.
The defendant filed a counterclaim charging infringement of the Abbott patent by the plaintiff.
The plaintiff's position is...
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