JM

Jean Mantelle

VA Vallourec: 1 patents #15 of 33Top 50%
📍 Aulnoye-Aymeries, FR: #7 of 32 inventorsTop 25%
Overall (All Time): #2,356,133 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4426105 Joints for pipes, particularly intended for the oil industry Bernard Plaquin, Paul Bounie 1984-01-17
4373750 Joint for pipe intended for petroleum industry Georges Trouillet 1983-02-15