Court of Appeals for the Federal Circuit September 13, 2001, Nos. 00-1439, 00-1490 (Doorking, Inc. v. Sentex Systems, Inc.)

Opinion

DYK, Circuit Judge.

DoorKing, Inc. (“DoorKing”) appeals from the decision of the United States District Court for the Central District of California granting the motion of Sentex Systems (“Sentex”) for summary judgment of non-infringement of U.S. Patent No. 4,604,501 (the “’501 patent”). DoorKing, Inc. v. Sentex Sys., Inc., No. CV-98-372 (C.D. Cal. Jan.