THE WORDS COOL RAY WERE FIRST USED ON THE GOODS SPECIFIED ON DECEMBER 1, 1948, AND FIRST USED ON SAID GOODS IN COMMERCE AMONG THE SEVERAL STATES WHICH MAY LAWFULLY BE REGULATED BY CONGRESS ON DECEMBER 1, 1948.
THE WORDS COOL RAY WERE FIRST USED ON THE GOODS SPECIFIED ON DECEMBER 1, 1948, AND FIRST USED ON SAID GOODS IN COMMERCE AMONG THE SEVERAL STATES WHICH MAY LAWFULLY BE REGULATED BY CONGRESS ON DECEMBER 1, 1948.