Inventor: Faber, Horace B., Jr., John A.C. Ziegler
Inventor: Samtmann, Martin
Inventor: Hatton, Robert Marion
Inventor: Styer, John Franklin
Inventor: Styer, John Franklin
Inventor: Styer, John Franklin
Inventor: Witter, Frank H.
Inventor: Riesselmann, Karel
Inventor: Geiger, Edward Christopher
Inventor: Meadowcroft, James N.
Inventor: Schaefer, Charles Augustus
Inventor: Lukens, George E.
Inventor: Smith, Neville Mitchell
Inventor: Cremer, Frank Eugene
Inventor: Hartman, Edgar W.
Inventor: LeDuc, Emile J.
Inventor: Lambert, Louis F.
Inventor: Groshens, Victor
Inventor: Muller, Otto A.