Publication
Industrial Design 15/10 - - Whitney Publication INC New York -
Commercialisation d'un calculator/ caculatrice/ Machine à calculer
Patent
Calculator/ caculatrice/ Machine à calculer - - - Henry Dreyfuss
Commercialisation d'un téléphone murale/ wall support for a telephone handset
Patent
Téléphone murale/ wall support for a telephone handset - - 3 557 322 - Stephen W. Walden