Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Skotak, Jr., Chester
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Skotak, Chester
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: de Castro Filho, Estevam Emygdio
Inventor: van Noort, Marco
Inventor: Troutner, John C.
Inventor: Smith, George C.