Inventor: Kordes, Wilhelm
Inventor: Klemm, Siegfried
Inventor: Klemm, Siegfried
Inventor: Holtkamp, Sr., Reinhold
Inventor: Kientzler, Ludwig
Inventor: Kientzler, Ludwig
Inventor: Kientzler, Ludwig
Inventor: Kientzler, Ludwig
Inventor: Kientzler, Ludwig
Inventor: Fischer, Arnold
Inventor: Holtkamp, Sr., Reinhold
Inventor: Holtkamp, Sr., Reinhold
Inventor: Fischer, Arnold