Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Turpin, Susanna
Inventor: Turpin, Susanna
Inventor: Hjeltnes, Stein Harald
Inventor: Thibault, Bernard
Inventor: Hart, Roy, Brewer, Lester Raymond
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Ranney, Thomas G.
Inventor: Burton, Stephen
Inventor: Ritchie, John Stanley
Inventor: Kopan, Volodymyr
Inventor: Burton, Stephen
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus