Inventor: Saul, Robert Mark
Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Bremer, Hinrich
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Troelstra, Johan
Inventor: Bakhuijzen, Arie
Inventor: Jordan, John, Jordan, Stephen
Inventor: Verhoef, Gijsbertus
Inventor: Espinosa, Gavin