JR

Jean-Louis Roland

📍 Boulogne, FR: #3 of 11 inventorsTop 30%
Overall (1997): #131,955 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5643503 Device for introducing a gas into a liquid 1997-07-01