Railex Corporation v. The Speed Check Co., Inc.

WISDOM, Circuit Judge;

Plaintiff-appellant Railex Corporation and defendant-appellee The Speed Check Company, Inc. are competitors in the business of manufacturing conveyors for the textile industry. Railex sued Speed Check for the alleged infringement of Railex’s patent on a conveyor used for the selective dispatching of garments. From the district court’s decision holding the patent invalid and not infringed, this appeal results. We affirm.

I

Railex holds Patent No. 3,118,531. 1 The patent describes a system for conveying and dispatching garments or laundry selectively to any one of several…