Inventor: Kievit, Christa
Inventor: Kievit, Christa
Inventor: Clifton, Richard Paul
Inventor: van der Zwet, Alexius Johannes Joseph
Inventor: Crowther, Albert Timothy Alan, Tristram, David Ralph
Inventor: Churchus, John William
Inventor: Alexander, Pauline
Inventor: William A. Warriner
Inventor: Olaf Soenderhousen
Inventor: William A. Warriner
Inventor: William A. Warriner
Inventor: J. Benjamin Williams
Inventor: Herbert C. Swim, O. L. Weeks
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: John W. Patterson
Inventor: Marie Louise Meilland
Inventor: David L. Armstrong
Inventor: John W. Patterson