WILBUR, Circuit Judge.
On December 17, 1934, appellee filed a bill of complaint alleging acts of infringement of six patents for improvements in well elevators and praying for an accounting and an injunction. On May 16, 1935, the District Court issued a preliminary injunction restraining appellant from infringing letters patent as follows: Patent No. 1,341,957 issued to E. C. Wilson, inventor, June 1, 1920, filed May 2, 1914; patent No. 1,314,996 issued to E. C. Wilson...
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