Inventor: Rattray, Kristy, Rattray, George
Inventor: Proud, Margaret J.
Inventor: Brackett, Leroy W.
Inventor: Van Well, Peter J.
Inventor: Lester P. Pratt
Inventor: Ervin Delp, Julia Delp
Inventor: Homer P. Montgomery
Inventor: Morris A. Thomson
Inventor: Wickersham, Jesse A.
Inventor: Donahey, Herbert W.
Inventor: Wahl, Albert W.
Inventor: Ramsey, William F., Gossman, Andrew T.