Inventor: van der Velden, Sjef
Inventor: van der Velden, Sjef
Inventor: Danziger, Gavriel
Inventor: Atchison, James K
Inventor: Danziger, Gavriel
Inventor: Heinrich, Westhoff
Inventor: Anderson, Eric T., Pittman, Peter
Inventor: Bottoms, Ellsworth D.
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Bottoms, Ellsworth D., Bottoms, Luseane
Inventor: Stribling, Sally L.