Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002069 | Tilt adjuster control mechanism for a venetian blind | Nicolaas Dekker, Christianus Wilfred Michael Slobbe, David Peter Martin | 2021-05-11 |
| 7631682 | Retractable window covering having a length expanding stiffening rod | Franciscus Lamers, Hans de Lange | 2009-12-15 |
| 7562688 | Bearing cradle | — | 2009-07-21 |
| 7464742 | Raising and lowering mechanism for blinds | Herman Oskam, Nicolaas Dekker | 2008-12-16 |