Inventor: Lammerts, Walter E.
Inventor: Swim, Herbert C.
Inventor: Swim, Herbert C.
Inventor: Etter, Albert F.
Inventor: Swim, Herbert C.
Inventor: Wurzlow, Frank Sr.
Inventor: al., J. H. Kuis et
Inventor: Schmidt, Paul J.
Inventor: Schmidt, Paul J.
Inventor: Lammerts, Walter E.
Inventor: Groot, Constant De
Inventor: Howard, Frederick H.
Inventor: Etter, Albert F.
Inventor: Swim, Herbert C.
Inventor: Morris, Theodore J.
Inventor: Brownell, Josephine D.
Inventor: Jelly, Robert G.
Inventor: Reeves, William H.
Inventor: Owen, Marquis A.