Alden W. Hanson v. Alpine Valley Ski Area, Inc.

BAILEY BROWN, District Judge.

This is an action alleging patent infringement, and the patent alleged to be infringed is a process for making snow for winter sports. The plaintiff below, appellee here, is Alden W. Hanson (Hanson), who is the inventor and patentee of the patent. The defendant below, appellant here, is Alpine Valley Ski Area, Inc. (Alpine). Alpine’s defenses are that the patent is invalid and that, in any event, it is not infringed by Alpine, as is alleged by Hanson, in using snow-making equipment purchased by it from Hedco, Inc. (Hedco). 1 The case was tried before District…