Inventor: Maddalena, Grisenti Maria
Inventor: Saul, Robert Mark
Inventor: Yamagishi, Takashi, Nakagawa, Kenichi
Inventor: Hollingsworth, Donald
Inventor: Rudolph, Nathan H.
Inventor: Carl George Klehm
Inventor: Carl George Klehm
Inventor: Carl George Klehm
Inventor: Carl George Klehm
Inventor: Carl George Klehm