Inventor: Spanbauer, Frank
Inventor: Duke, John F. Sr., Duke, Leman P.
Inventor: Moore, Ralph S.
Inventor: Jacobus, Martin R.
Inventor: Zanten, Maurits L. V. Van
Inventor: Pinchbeck, William E.
Inventor: Tiret, Horace M.
Inventor: Hoffmann, Frederick W.
Inventor: Peterson, Howard C.
Inventor: Boerner, Eugene S.
Inventor: Hahn, Sylvan F.
Inventor: Verschuren, Hendrikus Antonie Maria
Inventor: Boerner, Eugene S.
Inventor: Hahn, Sylvan F.
Inventor: Hahn, Sylvan F.
Inventor: Kordes, Wilhelm
Inventor: Howard, Arthur P.
Inventor: Dougherty, Harold D.
Inventor: Lammerts, Walter E.
Inventor: Edwards, Lawrence C.