RS

Robbert E. Spangenberg

HN Hunter Douglas International N.V.: 4 patents #9 of 70Top 15%
📍 Oosterhout, NL: #13 of 117 inventorsTop 15%
Overall (All Time): #1,302,023 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4958421 Method for assembling a venetian blind 1990-09-25
4723586 Venetian blind 1988-02-09
4685502 Multiple-glazed window assembly 1987-08-11
4667723 Cord lock 1987-05-26