C 21.5:1231/4
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1231, NUMBER 4... U.S. DEPARTMENT OF COMMERCE... FEBRUA
0260-B
20000408M
20000331
C 21.5/4:1231/4
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND AND TRADEMARK OFFICE... TRADEMARKS... VOL. 1231, NUMBER 4... U.S. DEPARTMENT OF COMMERCE...
0260-D