FD

Franz Schamann, deceased

📍 Marl, DE: #234 of 424 inventorsTop 60%
Overall (All Time): #4,052,993 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4388216 Regenerating heavy metal catalysts for butynediol production Helmut Westernacher 1983-06-14