Stéphane Kerdranvat has been granted 1 US patent while listed as an inventor at Blue Evolution. All of these patents were granted in 2016. Stéphane Kerdranvat ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stéphane Kerdranvat in Quimper, FR.