Inventor: Howard, Frederick H.
Inventor: Duehrsen, Carl G.
Inventor: Howard, Frederick H.
Inventor: Graham, Melville M.
Inventor: Lammerts, Walter E.
Inventor: Etter, Albert F.
Inventor: Etter, Albert F.
Inventor: Cornell, Harold E., Cornell, Thelma
Inventor: Ott, William Henry
Inventor: Bourne, Benjamin A.
Inventor: Yoshioka, Tadao
Inventor: Drain, Brooks D.
Inventor: Davis, John B., Administratix, Lida Boyer
Inventor: Briggs, Elizabeth A.
Inventor: Armacost, Walter
Inventor: Brooks, Bert, Brooks, Glenn M.
Inventor: Verschuren, Hendrikus Antonie Maria
Inventor: Williams, Fred D.
Inventor: Johnston, Walter I.
Inventor: Schafer, Wilhelm, Schafer, Marie
Inventor: Barcafer, Myron T.
Inventor: Cumming, Alexander
Inventor: Steidle, John W. Jr.