Inventor: Baglin, Katrina
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: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: van Eijk, Joseph P.
Inventor: van Eijk, Joseph P.
Inventor: Hommes, Gerard Dirk
Inventor: Robert V. Schreiner
Inventor: Robert V. Schreiner
Inventor: Schreiner, Robert V.
Inventor: Schreiner, Robert
Inventor: McKee, William J.