FH

Frieder Hafner

📍 Marienheide, DE: #33 of 73 inventorsTop 50%
Overall (All Time): #3,897,423 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4906132 High-load underground dam Peter Sitz, Thomas Oellers, Volker Kockritz 1990-03-06