AKERMAN, District Judge.
Complainant is the owner of letters patent No. 1,336,237 applied for April 18, 1918, and granted April 6, 1920, for an engine valve attachment and sues the defendant alleging that the defendant, by the use of springs on the engines of its cars as now manufactured, infringes claims 1 and 2 of his patent.
No interlocutory injunction was applied for or granted and the evidence having all been taken either by deposition or orally the case...
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