Inventor: Danziger, Gavriel
Inventor: Danziger, Gavriel
Inventor: de Looff, Tonny M.
Inventor: de Looff, Tonny M.
Inventor: Heinrich, Westhoff
Inventor: Blay, John William, Blay, Violet Marilyn
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Houbraken, Anna M. W. P.
Inventor: Whiting, Tania L.
Inventor: Van der Salm, Catherine Joy, Freeman, Judith Louise