BN

Burghardt Neas

OF Opti Patent-, Forschungs-Und Fabrikations-Ag: 1 patents #8 of 23Top 35%
Overall (All Time): #3,904,654 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
4932113 Manufacture of slide fasteners Alfons Frohlich, Werner Rademacher, Jorg Geiger, Wilhelm Wessling 1990-06-12