Inventor: John Cornelius Bakker, Jr.
Inventor: Constant De Groot
Inventor: Leonard K. Slater
Inventor: Leonard K. Slater
Inventor: Edward W. Lowden
Inventor: Cecil C. Marshall
Inventor: M. Leslie Hancock
Inventor: John F. Schloen
Inventor: Edward W. Lowden
Inventor: Fisher, Murray W.
Inventor: Roxburgh, John M.
Inventor: Manske, Richard H. F.
Inventor: Manske, Richard H. F.
Inventor: Manske, Richard H. F.
Inventor: Manske, Richard H. F.
Inventor: Hall, Madelene Alberta
Inventor: Sparre, Gustav C.
Inventor: Sparre, Gustav C.
Inventor: Sparre, Gustav C.
Inventor: Johnson, Matthew James
Inventor: Groot, Constant De
Inventor: McGuigan, V. G.
Inventor: Eickmeier, Andrew W.
Inventor: Fisher, Carl Howard