Norstrom v. Wahl

EVANS, Circuit Judge.

This appeal is from a decree restraining appellant from further infringing appellee’s patent No. 1,487,189 on a hair clipper.

The patent covers an electrically driven hair clipper such as is commonly used in barber shops. Its validity has heretofore been sustained by this court and, on several occasions, by District Courts. See (D. C.) 19 F.(2d) 544; (C. C. A.) 27 F.(2d) 635, 636; (C. C. A.) 27 F.(2d) 637.

Noninfringement is the sole defense, and necessarily so because appellant was the president of the company that unsuccessfully contested the validity and scope of the…