Patent Appeal No. 76-581. December 16, 1976. Charles Hieken, Hieken Cohen, Waltham, Mass., atty. of record, for appellant. Joseph F. Nakamura, Washington, D.C., for the Commissioner of Patents; Fred W. Sherling, Washington, D.C., of counsel. Appeal from the Patent and Trademark Office Trademark Trial and Appeal Board. LANE, Judge. This is an appeal from the decision of the Patent and Trademark Office (PTO) Trademark Trial and Appeal Board (board) affirming the refusal to register SYNCOM for loudspeaker