Inventor: Ralph G. Leighty, Deceased, Rose Maria Arguelles Leighty
Inventor: Walter E. Lammerts
Inventor: Georges Delbard
Inventor: Arnold W. Ellis, Herbert Swim
Inventor: William A. Warriner
Inventor: David L. Armstrong
Inventor: William A. Warriner
Inventor: Robert G. Jelly
Inventor: Gijsbert de Ruiter
Inventor: Gijsbert de Ruiter
Inventor: William A. Warriner
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: William A. Warriner
Inventor: Robert G. Jelly
Inventor: Walter E. Lammerts
Inventor: William A. Warriner