Inventor: Simmons, Dan E.
Inventor: Collins, William H.
Inventor: Cooper, Calvin L.
Inventor: Bailey, Catherine H., Hough, L. Fredric
Inventor: Stark, Jr., Paul C.
Inventor: Shay, deceased, J. Ralph, Williams, Edwin B.
Inventor: Carlson, Robert F.
Inventor: Flemer, III, William
Inventor: Wrigley, Irving H.