YV

Yves Vrignaud

📍 Meudon, FR: #240 of 463 inventorsTop 55%
Overall (All Time): #4,052,383 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4386107 Pollen substitute for use in apiculture Michel Belin 1983-05-31