Cs&M, Incorporated v. Covington Brothers Technologies

678 F.2d 118 216 U.S.P.Q. 757 CS&M, INCORPORATED, a California corporation, Plaintiff-Appellant, v. COVINGTON BROTHERS TECHNOLOGIES (formerly Covington Brothers), a California corporation, and Covington Brothers Building Systems, Inc., a Delaware corporation, Defendants-Appellees. No. 81-5225. United States Court of Appeals, Ninth Circuit. Argued and Submitted March 4, 1982. Decided May 27, 1982. Hayden A. Carney, Christie, Parker & Hale, Pasadena, Cal., for plaintiff-appellant. Richard F. Carr, Gausewitz, Carr, Rothenberg & Edwards, Orange, Cal., argued, for defendants-appellees; Allan Rothenberg, Gausewitz, Carr, Rothenberg & Edwards, Orange, Cal., on brief. Appeal from the United States District Court for the Central District of California. Before HUG, TANG, and PREGERSON, Circuit Judges. PREGERSON, Circuit Judge: 1 Appellant CS&M, the plaintiff below, sued Covington Brothers Technologies and Covington Brothers Building Systems, Inc. for allegedly infringing its patent on a certain type of prefabricated wall panel. The trial court granted summary judgment for the defendants, holding that as a matter of law their wall panel did not infringe appellant's…