This is the original French patent that was granted for the design that became the MAVIC ZMS 800. It also relates to European Patent Application # 0 528 425 A1 and European Patent # 0 528 425 B1

This French patent shows:

• The inventors were Jean-Pierre Corbier Lacombe and Jean-Pierre Mercat
• The applicant was B. G. Innovation (S.A.R.L.) - not MAVIC S.A..
• Unlike the later European documents, the drawings in this patent only include images of horizontal sliding rod mechanisms. There are no images of the slanted configuration eventually used in the MAVIC ZMS 800.

• Publisher: L’Institut national de la propriété industrielle
• Inventor: Jean-Pierre Corbier Lacombe and Jean-Pierre Mercat
• Country: France
• Date: Priority date February 1992
• Derailleur brands: MAVIC
• Derailleurs: an early design of the MAVIC Zap (ZMS 800)