HASTINGS, Chief Judge.
Defendant-appellant Herbert W. Maass appeals from an adverse judgment entered after trial on plaintiff-appellee Earl R. Ortman's complaint for patent infringement.
Appellee charges that appellant's device infringes three of the four claims of appellee's Patent No. 2,707,030, filed April 24, 1953, and issued April 26, 1955.
Appellant denies infringement and asserts the invalidity of appellee's patent on grounds of anticipation...
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