C 21.5:1223/2
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1223, NUMBER 2... U.S. DEPARTMENT OF COMMERCE... JUNE 8
0260-B
990726M
990802
C 21.5:1223/3
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1223, NUMBER 3... U.S. DEPARTMENT OF COMMERCE... JUNE 1