Patent Appeal Nos. 8769, 8770. November 2, 1972. Cushman, Darby Cushman, Washington, D.C., attorneys of record, for appellant. C. Willard Hayes, James L. Dooley, William T. Bullinger, Washington, D.C., of counsel. S. Wm. Cochran, Washington, D.C., for the Commissioner of Patents. Fred W. Sherling, Washington, D.C., of counsel. Appeal from the Court of Customs and Patent Appeals, Rich, J. Before MARKEY, Chief Judge, and RICH, ALMOND, BALDWIN and LANE Judges. RICH, Judge. This appeal was taken from