AS

Andreas Sprecher

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
📍 Neuhausen, CH: #61 of 140 inventorsTop 45%
Overall (All Time): #2,328,481 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4804661 Disubstituted piperazines Pier G. Ferrini 1989-02-14
4189112 Formation of balls of knitting yarn — 1980-02-19