DE

David G. Evans

CI Ciba-Geigy: 2 patents #71 of 374Top 20%
📍 Rochdale, AL: #1 of 1 inventorsTop 100%
Overall (1982): #15,298 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4348203 Dyeing process James K. Skelly, Barrie Broadbent 1982-09-07
4340387 Process for the dyeing of fibre material Jacques Zurbuchen, Willi Leutenegger 1982-07-20