FS

Friedhelm Steffens

BH Bayer Healthcare: 1 patents #309 of 873Top 40%
📍 Leverkusen, DE: #43 of 129 inventorsTop 35%
Overall (2004): #223,001 of 270,089Top 85%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6719957 Process for purification of anhydrous hydrogen chloride gas Bill Brady, Guenther Weymans, Berthold Keggenhoff 2004-04-13