Inventor: Hansen, Hans A.
Inventor: Egger, Janet N.
Inventor: Hansen, Hans A.
Inventor: Hansen, Hans A.
Inventor: Scheys, Diederik Alexander Maria
Inventor: Egger, Janet N.
Inventor: Hansen, Hans A.
Inventor: Hansen, Hans A.
Inventor: Pavlich, John C.
Inventor: Egger, Janet N.
Inventor: Egger, Janet N.
Inventor: Hansen, Hans A.
Inventor: Pavlich, John C.
Inventor: Shipley, Nicholas
Inventor: Doyle, James, Ferguson, Louise
Inventor: Plattner, Anton
Inventor: Albert Aspeslagh, August van Speybrouck
Inventor: Vosters, James B.