Inventor: Traendly, Frank H.
Inventor: Weigand, Christoph
Inventor: Berger, Vinzenz
Inventor: Diener, Richard
Inventor: Howard, Fred H.
Inventor: Burbank, Elizabeth Waters, Burbank, Luther
Inventor: Burbank, Elizabeth Waters, Burbank, Luther
Inventor: Denoyel, Marguerite
Inventor: Amling, Albert J., Amling, Ernest C.