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Christian Franz Callhoff

📍 Aachen, DE: #1,006 of 2,680 inventorsTop 40%
Overall (All Time): #1,972,534 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10457024 Composite material with coating material Ellen Keulen, Carina Erdmann 2019-10-29
9555442 Composite material with coating material Ellen Keulen, Carina Erdmann 2017-01-31