WB

Willi Birkenfeld

AN Akzo N.V.: 1 patents #342 of 803Top 45%
📍 Obernburg, DE: #32 of 53 inventorsTop 65%
Overall (All Time): #3,907,828 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4943481 Polyether imide fibers Diederich Schilo 1990-07-24