DF

Dirk Frehe

📍 Ibbenbüren, DE: #32 of 53 inventorsTop 65%
Overall (All Time): #2,624,413 of 4,157,543Top 65%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11834376 Method for producing fireproof materials based on sodium silicate Heike Huth 2023-12-05