Inventor: Maddalena, Grisenti Maria
Inventor: Freyre, Rosanna
Inventor: Freyre, Rosanna
Inventor: Sakazaki, Ushio
Inventor: Sakazaki, Ushio
Inventor: Freyre, Rosanna
Inventor: Freyre, Rosanna
Inventor: Saul, Robert Mark
Inventor: Hollingsworth, Donald
Inventor: Rudolph, Nathan H.
Inventor: Carl George Klehm