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Armin Dittmar

📍 Barnstorf, DE: #10 of 15 inventorsTop 70%
Overall (All Time): #3,975,618 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4670056 Material for sealing borehole walls Hermann Alsdorf 1987-06-02