EH

Etienne Hardouin

SP Societe Europenne De Propulsion: 1 patents #4 of 36Top 15%
📍 Hennezis, FR: #1 of 1 inventorsTop 100%
Overall (1997): #50,732 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5597009 Vacuum-enclosed integral cryogenic valve Norbert Scherrer, Philippe Gulion 1997-01-28