SPARKS, Circuit Judge.
This appeal involves the validity and infringement of two United States patents. The first is re-issue patent No. 18,061 to Davis, issued May 5, 1931, on an application filed January 9, 1931. It is based on original patent No. 1,744,298, issued to Davis on January 21, 1930, on an application filed July 25, 1927. The second is patent No. 1,349,010, issued to Spangler on an application filed June 1, 1918. Prior to this action both patents in issue...
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