Yoann Marechal has been granted 2 US patents while listed as an inventor at Snecma. All of these patents were granted in 2014. Yoann Marechal ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Yoann Marechal in Dammarie-les-Lys, FR.