Inventor: Herbert C. Swim, O. L. Weeks
Inventor: Eugene S. Boerner
Inventor: William A. Warriner
Inventor: Georges Delbard
Inventor: Dorothy S. Whisler
Inventor: John W. Patterson
Inventor: Marie Louise Meilland
Inventor: John W. Patterson
Inventor: Eugene S. Boerner
Inventor: Eugene S. Boerner
Inventor: Marie Louise Meilland
Inventor: Herbert C. Brownell
Inventor: Herbert C. Brownell