WARLICK, District Judge.
This is a patent action in which infringement of claims 1, 3, and 4 of patent No. 2,707,422 is charged. This patent was issued on May 3, 1955 for a Curb Laying Machine to plaintiff as the assignee of the inventor, William E. Canfield. The evidence was heard by the court without a jury. The defenses interposed by the defendant are the usual ones of invalidity and noninfringement.
Plaintiff seeks a permanent injunction as against both...
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