JF

Jean-Louis Freis

PS Pont-A-Mousson S.A.: 1 patents #38 of 96Top 40%
📍 Lorient, FR: #24 of 86 inventorsTop 30%
Overall (All Time): #2,351,770 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4499695 Manhole Jacques Oger, Jean-Claude Hauer 1985-02-19
4456397 Road inspection manhole Jean-Claude Hauer, Jacques Oger 1984-06-26