JL

Jean-Michel Longeau

GF Gaz De France: 1 patents #66 of 236Top 30%
📍 Sens, FR: #28 of 74 inventorsTop 40%
Overall (All Time): #3,951,821 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4744123 Device for scraping the outer surface of a tube Patrick Le Testu, Dominique Pfeiffer, Michel Cochetel 1988-05-17