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 Delft, M. Peter
Inventor: James W. Hines, Jr.
Inventor: Conrad Andrew Skimina
Inventor: William E. Silva
Inventor: Francis C. Tomlinson
Inventor: Gregory, Emily Bctts
Inventor: Varden, Owen H.