Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: Brennan, Rex M.
Inventor: Brennan, Rex M.
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Zaias Fast, Magaly
Inventor: Snelling, Catherine, Langford, Geoffrey
Inventor: de Gruyter, Andre Paulus
Inventor: Anderson, Malcolm M.
Inventor: Anderson, Malcolm M.
Inventor: Anderson, Malcolm M.