Inventor: Kordes, Wilhelm
Inventor: Meilland, Francis
Inventor: Meilland, Francis
Inventor: Meilland, Francis
Inventor: Meilland, Francis
Inventor: Meilland, Francis
Inventor: Hummel, Reinhold
Inventor: Meilland, Francis
Inventor: Meilland, Francis
Inventor: Meilland, Francis