WG

Wilhelm Grassmann

Overall (All Time): #4,038,242 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4461645 Method of and apparatus for the cooling of white cement clinker Gunter Roth, Wolfram Quittkat, Dieter Frank, Ludwig Muller 1984-07-24