HB

Helgard Butterweck

FK Fried Krupp: 1 patents #80 of 258Top 35%
Overall (All Time): #3,987,649 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4714548 Device for purification of waste water Engelbert Hoke 1987-12-22