Inventor: Vinson, Peter Edward
Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: de Jongh, Johannes Adrianus Petrus
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Bittner, Walter
Inventor: LeBoutillier, Roberts
Inventor: Fritz A. Henderickx
Inventor: Richard M. Wyman, Jr.
Inventor: Hess, Cornelius W. M.
Inventor: Henderickx, Fritz A.