Inventor: Kievit, Christa
Inventor: Kievit, Christa
Inventor: Clifton, Richard Paul
Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: van Noort, Marco
Inventor: van der Zwet, Alexius Johannes Joseph
Inventor: Crowther, Albert Timothy Alan, Tristram, David Ralph
Inventor: Ronald, Wilbert G., Durand, James R.
Inventor: Churchus, John William
Inventor: Alexander, Pauline
Inventor: Halka, Jr., Chester J.
Inventor: Wandell, Willet N.