SPARKS, Circuit Judge.
Appellant sued appellee for infringement of patent No. 1,435,199, which was granted upon the application of Blair and issued to appellant, the assignee of the invention and application, on November 14, 1922. The defense was invalidity and non-infringement. The bill was dismissed for want of equity, and from that decree this appeal is prosecuted.
The validity of this patent was heretofore contested in this court in Macomb Manufacturing...
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