No. 97-1229. October 30, 1998. Grady J. Frenchick, Stroud, Stroud, Willink Thompson Howard, Madison, Wisconsin, argued for appellants Dance, et al. of counsel on the brief was Karen B. King. David J. Ball, Jr., Associate Solicitor, Office of Solicitor, Arlington, Virginia, argued for appellee, Commissioner of Patents and Trademarks. With him on the brief were Nancy J. Linck, Solicitor, Albin F. Drost, Deputy Solicitor, and Scott A. Chambers, Associate Solicitor. Before MAYER, Chief Judge, NEWMAN