HD

Herve D. Duroyon

UC Union Carbide: 2 patents #417 of 1,402Top 30%
📍 Beauvais, FR: #49 of 215 inventorsTop 25%
Overall (All Time): #2,348,316 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4590830 Method and apparatus for controlling casing holdback Jean-Michel M. Sene 1986-05-27
4437209 Stuffing method — 1984-03-20