Inventor: Jacobs, Henricus Cornelius Maria
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: Laviana, Marc R.
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Bloom, Adrian, Gooderham, Paul
Inventor: Cullina, William
Inventor: McDonald, Floyd, Heims, Daniel M.
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: Proteau, Maurice, Proteau, Rene
Inventor: van Andel, Jacob