WOOLLEY, Circuit Judge.
Speaking of the parties as they stood in the trial court, the plaintiff, owner of Letters Patent No. 1,281,884, issued in 1918 to M. J. Trumble, brought this action against the defendant (Skelly Oil Company) for infringement of claims 1, 2, 3 and 4. Against the defenses of want of invention, anticipation and non-infringement the trial court found the four claims in suit valid and process claim 2 and apparatus claim 4 infringed. (D. C.)
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