C 21.5:1227/1
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1227, NUMBER 1... U.S. DEPARTMENT OF COMMERCE... OCTOBE
0260-B
2000077M
C 21.5:1227/3
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1227, NUMBER 3... U.S. DEPARTMENT OF COMMERCE... OCTOBE