McCullough v. Kammerer Corp.

In this case both the District Court and the Circuit Court of Appeals for the Ninth Circuit have held valid and infringed the Reilly and Stone Patent, No. 1,625,391, of April 19, 1927, for a pipe cutting tool, of which patent respondent Kammerer Corporation is assignee. The patent expired on April 18, 1944, only damage for infringement is involved, and there is no conflict of decision with respect to the patent. This Court granted certiorari only because the petition for certiorari presented as a ground of defense to the suit, that respondent Kammerer Corporation had licensed to respondent…