VW

Volker Weidmann

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
Overall (All Time): #3,850,739 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5114475 Method for the preparation of a fine-grained mixture having hydrophobic properties Werner Siegmund, deceased, Wilhelm Kamereit, Oskar Schmitt, Otto J. Friedrich 1992-05-19