WL

Willi Leutenegger

CI Ciba-Geigy: 2 patents #71 of 374Top 20%
📍 Bottmingen, CH: #4 of 14 inventorsTop 30%
Overall (1982): #6,336 of 81,411Top 8%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4340387 Process for the dyeing of fibre material David G. Evans, Jacques Zurbuchen 1982-07-20
4329146 Process for the dyeing of fibre material Jacques Zurbuchen 1982-05-11