HD

Helmut Duddeck

IG Institut Fuer Neue Materialien Gemeinnuetzige Gmbh: 1 patents #21 of 57Top 40%
📍 Bochum, DE: #506 of 1,022 inventorsTop 50%
Overall (All Time): #3,617,170 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6071475 Process of preserving paper Helmut Schmidt, Reiner Kasemann, Stefan Sepeur 2000-06-06