SD

Stéphane Albert André Douillard

SE Safran Helicopter Engines: 1 patents #17 of 60Top 30%
📍 Moissy-Cramayel, FR: #179 of 646 inventorsTop 30%
Overall (2025): #208,698 of 469,880Top 45%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12208912 Hybrid propulsion system for a helicopter Romain Thiriet, Fabien Mercier-Calvairac 2025-01-28