Rolodex Open Rotary Card File; Manufactured by Rolodex Corporation (USA); bent tubular metal, molded plastic, rubber, paper; H x W x D: 18 x 18 x 16.5 cm (7 1/16 x 7 1/16 x 6 1/2 in.); Cooper Hewitt, ...

Arnold Neustadter,85, who invented the Rolodex card file to organize phone numbers, died Wednesday in New York. His first successful invention was the spring-mounted personal phone directory that pops ...