C 21.5:1228/5:BK.1
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1228, NUMBER 5, BOOK 1 OF 2 BOOKS... U.S. DEPARTMENT OF
0260-B
2000231M
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C 21.5:1228/5/BK.2
OFFICIAL GAZETTE OF THE UNITED STATES PATENT AND TRADEMARK OFFICE... PATENTS... VOL. 1228, NUMBER 5, BOOK 2 OF 2 BOOKS... U.S. DEPARTMENT OF