Appeal No. 1997-3241 Application 08/442,726 art, or by the implications contained in such teachings or suggestions. In re Sernaker, 702 F.2d 989, 995, 217 USPQ 1, 6 (Fed. Cir. 1983). “Additionally, when determining obviousness, the claimed invention should be considered as a whole; there is no legally recognizable ‘heart’ of the invention." Para- Ordance Mfg. V. SGS Importers Int’l Inc., 73 F.3d 1085, 1087, 37 USPQ2d 1237, 1239 (Fed. Cir. 1995), cert. denied, 519 U.S. 822 (1996)(citing W.L. Gore & Assoc., Inc. v. Garlock Inc., 721 F.2d 1540, 1548, 220 12Page: Previous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NextLast modified: November 3, 2007