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: Uebelhart, Georg
Inventor: Uebelhart, Georg
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: van Noort, Marco
Inventor: George Y. Umeda, Daniel S. Shinoda
Inventor: William Warriner
Inventor: William A. Warriner
Inventor: Robert G. Jelly
Inventor: William A. Warriner