L. HAND, Circuit Judge.
This is an appeal from a decree for the plaintiff entered on the usual bill in equity upon three patents. Ralph L. Evans is the inventor of all three; on January 21, 1932, he filed an application out of which came the patent last to be issued, No. 1,919,690; the other two were divisions of this application, and may be ignored in the view which we take of the original, The invention was for a means of waving women's hair, consisting of a little...
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