Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: de Jong, Cornelis Henricus Maria
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Mooney, Andrew R.
Inventor: Doyle, James, Ferguson, Louise
Inventor: Davis, Harold A.
Inventor: Plattner, Anton
Inventor: Platt, Graeme Charles
Inventor: Edgar Norman Swane
Inventor: Albert Aspeslagh, August van Speybrouck
Inventor: Vosters, James B.