Inventor: de Ruyver, Kurt
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: Burton, Stephen
Inventor: Ritchie, John Stanley
Inventor: Burton, Stephen
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Burton, Stephen
Inventor: Talmadge, Paul A.
Inventor: van Noort, Marco
Inventor: Ware, Richard G.