In Oregon, Crimson Trace Corp. Inc. of Wilsonville, a handgun laser sighting systems manufacturer, has filed a suit in US District Court in Portland against LaserMax Inc. of Rochester, N.Y., for its infringement of four US patents. The Oregon business cited patent infringement against the New York company’s J-Max, Sabre and Uni-Max products. Crimson Trace seeks court-ordered injunctive relief and unspecified damages for patents related to laser sighting devices for firearms.