Inventor: de Ruyver, Kurt
Inventor: Moore, Peter R.
Inventor: Saul, Robert Mark
Inventor: Bremer, Hinrich
Inventor: Troelstra, Johan
Inventor: Bakhuijzen, Arie
Inventor: Talmadge, Paul A.
Inventor: Verhoef, Gijsbertus
Inventor: Holtrop, Mathilde H.
Inventor: Holtrop, Mathilde H.
Inventor: Hartley, Richard R., Hartley, Kathleen R.
Inventor: Espinosa, Gavin
Inventor: Burkey, Harold Ivan
Inventor: Burkey, Harold Ivan
Inventor: Burkey, Harold Ivan
Inventor: Lothrop, Chester Harper
Inventor: Michler, Louis A.
Inventor: Chamberlin, Cecil C.