Marcel A. J. Jannot has been granted 2 US patents while listed as an inventor at Bertin & Cie. The first was granted in 1985 and the most recent in August 1989. Marcel A. J. Jannot ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Marcel A. J. Jannot in Sarcelles, FR.