Inventor: Oates, John David
Inventor: Scheffers, Robertus
Inventor: Scheffers, Robertus
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Oates, John David
Inventor: Oates, John David
Inventor: Bautista, Rodolfo Valdoz
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: O'Connell, Renee
Inventor: O'Connell, Renee
Inventor: O'Connell, Renee
Inventor: Doyle, James, Ferguson, Louise
Inventor: Plattner, Anton
Inventor: Albert Aspeslagh, August van Speybrouck
Inventor: Vosters, James B.