C 21.5:1202/1
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1202, NUMBER 1...U.S. DEPARTMENT OF COMMERCE... SEPTEMBER 2,
0260-B
970982M
971020
C 21.5:1202/2
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1202, NUMBER 2...U.S. DEPARTMENT OF COMMERCE... SEPTEMBER 9,