Patent Appeal No. 75-599. February 19, 1976. Charles E. Wills, Los Angeles, Cal. (Wills, Green Mueth, Los Angeles, Cal.), attorneys of record, for appellants. Joseph F. Nakamura, Washington, D.C., for the Commissioner of Patents, Jack E. Armore, Washington, D.C., of counsel. Appeal from the Patent and Trademark Office Board of Appeals. Before MARKEY, Chief Judge, and RICH, BALDWIN, LANE and MILLER, Judges. MILLER, Judge. This appeal is from the decision of the Patent and Trademark Office Board of