EH

Ernst P. Hess

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
NA Novartis Ag: 1 patents #2,882 of 5,128Top 60%
Overall (All Time): #2,237,272 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6054454 Method of controlling fish parasites Hariolf Schmid 2000-04-25
5177110 Injectable parasiticidal composition Walter Oechslein, Jean-Claude Gehret, Sabine Rossow 1993-01-05