Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
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: Speichert, C. Greg
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Harnett, Richard Frederick