Kockum Industries, Inc. v. Salem Equipment, Inc., and Earl R. Hitchman, Kockum Industries, Inc., Plaintiff-Cross-Appellee v. Salem Equipment, Inc., and Earl R. Hitchman, Defendants-Cross-Appellants

467 F.2d 61 175 U.S.P.Q. 81 KOCKUM INDUSTRIES, INC., Plaintiff-Appellant, v. SALEM EQUIPMENT, INC., and Earl R. Hitchman, Defendants-Appellees. KOCKUM INDUSTRIES, INC., Plaintiff-Cross-Appellee, v. SALEM EQUIPMENT, INC., and Earl R. Hitchman, Defendants-Cross-Appellants. Nos. 25,870, 25,874. United States Court of Appeals, Ninth Circuit. Aug. 14, 1972. Rehearing Denied Oct. 6, 1972. Richard W. Seed, (argued), of Seed, Berry & Dowrey, Seattle, Wash., Kenneth S. Klarquist, of Buckhorn, Blore, Klarquist & Sparkman, Portland, Or., for appellant. J. Pierre Kolisch, (argued), Jon M. Dickinson, of Kolisch, Hartwell & Dickinson, Portland, Or., for appellee. Before MERRILL and BROWNING, Circuit Judges, and ZIRPOLI, District Judge. * MERRILL, Circuit Judge: 1 Appellant brought suit charging infringement of claim 12 of Andersson patent 2,775,274, and claims 1, 2, 3 and 5 of Leffler patent 2,855,010. The District Court dimissed the action, holding those patents invalid as to the claims in issue and this appeal followed. 2 The patents in suit relate to ring-type log debarkers in which the debarking tools are carried by a rotating ring through the center of which the logs are fed.…