BB

Bernard Birou

SA Sulzer Chemtech Ag: 1 patents #88 of 208Top 45%
📍 Winterthur, CH: #411 of 771 inventorsTop 55%
Overall (All Time): #3,743,806 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5520812 Process for the biological purification of water Gerhard Ryhiner, Kim L. Sorensen 1996-05-28