Inventor: Michler, Louis A.
Inventor: Nicolas, Jean H.
Inventor: Graham, Thomas Elwood
Inventor: Stielow, Fred C.
Inventor: Baur, Adolphe Frederick Jacob
Inventor: Baur, Adolphe Frederick Jacob
Inventor: Brookins, Harold B.
Inventor: Ruiter, Gerrit de
Inventor: Burbank, Elizabeth Waters, Burbank, Luther
Inventor: Howard, Frederick Huber
Inventor: Burbank, Elizabeth Waters, Burbank, Luther
Inventor: Burbank, Elizabeth Waters, Burbank, Luther