Inventor: Danziger, Gavriel
Inventor: Danziger, Gavriel
Inventor: Sahin-Georgiadou, Elisabeth
Inventor: Heinrich, Westhoff
Inventor: Sahin, Elisabeth
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: Fielding, deceased, Hervey
Inventor: Apgar, Paul, Apgar, Lindi
Inventor: Morrison, Kenneth M.
Inventor: Mary Helen Poirier
Inventor: Hahn, Walter S.