HK

Helmut Kessmann

SA Syngenta Crop Protection Ag: 1 patents #5 of 38Top 15%
📍 Allschwil, CH: #4 of 24 inventorsTop 20%
Overall (2003): #214,462 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6613542 Testing system for chemical substances or substance mixtures Jorg Mentzen, Harald Danigel, Gerhard Klokow, Peter Obergfell 2003-09-02