McCullough v. Kammerer Corp.

DENMAN, Circuit Judge.

This causé is here upon appeals from two judgments of the district court holding a patent numbered 1,625,391, hereinafter called the Reilly-Stone patent, owned by appellee Kammerer Corporation of which appellee Baash-Ross Tool Company is sole licensee, valid and infringed by three of appellant’s products. A permanent injunction was granted and a reference ordered for the determination of damages. The devices in question are tools used in the oil industry for cutting and removing frozen or stuck drill pipes from wells. There were two suits below against appellant, the…