Inventor: Keplinger, Frank J.
Inventor: Brownell, Josephine D.
Inventor: Drew, Herbert E., Drew, Alberta M.
Inventor: Swim, Herbert C.
Inventor: Swim, Herbert C.
Inventor: Swim, Herbert C.
Inventor: Brooks, Lenard L.
Inventor: Fischer, Charles W.
Inventor: Fulkerth, Carroll M.
Inventor: Boerner, Eugene S.
Inventor: Johnson, Bertman V.
Inventor: Boerner, Eugene S.
Inventor: Boerner, Eugene S.
Inventor: Lammerts, Walter E.
Inventor: Boerner, Eugene S.
Inventor: Boerner, Eugene S.
Inventor: Verschuren, Hendrikus Antonie Maria
Inventor: Jacobus, Martin R.