Inventor: Doyle, James, Ferguson, Louise
Inventor: Watanabe, Kenji
Inventor: Plattner, Anton
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