. . . . . . . . . . "Platt Bros. & Co. Ltd." . . . "Platt Brothers and Co" . . . . . "Hibbert, Platt and Sons'" . "1770" . . . . . "Platt International" . . . . . "Platt Brothers" . "Platt Brothers & Co" . . "Platts" . . . . "Platt Saco Lowell" . "Platt Brothers & Co Ltd" . . "Stone-Platt Industries Ltd" . "Platt Bros. of Oldham" . "Stone Platt Industries Ltd" . "Platt Brothers" . "Platt's Works" . "15000" . "Henry Platt" .