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: Maddalena, Grisenti Maria
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Saul, Robert Mark
Inventor: William A. Warriner
Inventor: William A. Warriner
Inventor: William A. Warriner
Inventor: J. Benjamin Williams
Inventor: David L. Armstrong
Inventor: David L. Armstrong