. . . . "W."@en . . "j." . "W. J. CURTIS" . . "W. J. Curtis"@en . "J."@en . "Curtis, W. J., inventor" . "inventor W. J. Curtis" . "Curtis"@en . "w. j. Curtis" . "w." . "CURTIS" . "Curtis, W. J., of Kentucky" . "of Kentucky W. J. Curtis" .