C 21.5:1193/4
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1193, NUMBER 4, U.S. DEPARTMENT OF COMMERCE DECEMBER 24, 199
260-B
970302M
970218
C 21.5:1193/5
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1193, NUMBER 5, U.S. DEPARTMENT OF COMMERCE DECEMBER 31, 199
C 21.5:1192/4
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1192, NUMBER 4, U.S. DEPARTMENT OF COMMERCE NOVEMBER 26, 199
C 21.5:1193/3
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1193, NUMBER 3, U.S. DEPARTMENT OF COMMERCE DECEMBER 17, 199