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: Ramsey, William F., Gossman, Andrew T.
Inventor: Grillo, Nicholas
Inventor: Hart, George B.
Inventor: Brake, William H.
Inventor: Townsend, Ernest W., Cordrey, Hannah E., Freeman, Charles M., Cordrey, Oliver C.
Inventor: LeDuc, Emile J.
Inventor: Dalrymple, Gerald Hew