C 21.5:1206/4
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, PATENTS VOL. 1206, NUMBER 4...U.S. DEPARTMENT OF COMMERCE...JANUARY 27, 1
0260-B
980432M
980316
C 21.5/4:1206/4
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, TRADEMARKS VOL. 1206, NUMBER 4...U.S. DEPARTMENT OF COMMERCE...JANUARY 27
0260-D