American Aerovap, Inc. v. Cauthorn

ATWELL, Chief Judge.

Plaintiff alleges the ownership of letters patent No. 2,541,637, issued February 13, 1951, for, “Method of Vaporizing Lindane in Ventilated Rooms.”

Generally, the complainant alleges that defendant Cauthorn is the infringer, and that the others are contributory infringers.

The defendants deny generally, and, particularly, infringement and contributory infringement. They plead various pamphlets and publications alleged to be anticipations, *11and that complainant’s patent lacks invention, and is invalid.

Patent relates to the evaporation, or, vaporization, and/or sublimation of…