Inventor: Gayle Kent McDaniel
Inventor: William A. Warriner
Inventor: Herbert C. Brownell
Inventor: Herbert C. Brownell
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: Robert G. Jelly
Inventor: Herbert C. Swim, O. L. Weeks