JR

Jean-Louis Roland

📍 Boulogne, FR: #88 of 166 inventorsTop 55%
Overall (All Time): #3,719,045 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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