Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: Moore, Peter R.
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: van Noort, Marco
Inventor: Holtrop, Mathilde H.
Inventor: Holtrop, Mathilde H.
Inventor: Burkey, Harold Ivan
Inventor: Burkey, Harold Ivan
Inventor: Burkey, Harold Ivan
Inventor: Lothrop, Chester Harper
Inventor: Michler, Louis A.
Inventor: Chamberlin, Cecil C.