JH

Jean P. Hellin

📍 Châteauneuf-les-Martigues, FR: #33 of 66 inventorsTop 50%
Overall (All Time): #4,052,587 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4386770 Needle for automatically handling layers of material — 1983-06-07