WH

Wilhelmus F. Van der Heijden

HB Hollandse Signaalapparaten B.V.: 1 patents #29 of 87Top 35%
📍 Gouda, NL: #71 of 160 inventorsTop 45%
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Patent #TitleCo-InventorsDate
4357607 Video extractor Edward L. Intres 1982-11-02