EF

Ernst J. W. Francke

FS Firmenich Sa: 1 patents #260 of 466Top 60%
📍 Reinbek, DE: #54 of 99 inventorsTop 55%
Overall (All Time): #4,112,726 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4205084 Control of insects with 2-ethyl-1,6-dioxaspiro[4.4]nonane Jean P. Vite, Gunther Ohloff 1980-05-27