JH

Jean Havard

BM Brissonneau Et Lotz Marine: 2 patents #3 of 9Top 35%
📍 Carquefou, FR: #20 of 82 inventorsTop 25%
Overall (All Time): #2,321,828 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4901982 Method intended to facilitate disengagement of mechanisms applying high stress to one another Christian Ravet 1990-02-20
4456224 Jacking mechanism for self-raising ocean platforms 1984-06-26