Inventor: Barnett, Daniel
Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: van Lankveld, Martinus T. M.
Inventor: Wood, Timothy D.
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Nouws, Johan, Nouws, Guus
Inventor: Hayman, Michael
Inventor: de Jong, Gys Petrus
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Hoogenraad, Gerrit
Inventor: Waldvogel, Karel
Inventor: Bolwijn, Albert Leonard Christian
Inventor: van Heesbeen, Andianus L. P.