Hendrik de Wit

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Rotterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Weight and weight end piece for vertical slat blind
- Patent number 4,128,914
- Issue date Dec 12, 1978
- Hunter Douglas International N.V.
- Hendrik DE Wit
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Locking mechanism for vertical slat blind
- Patent number 4,114,673
- Issue date Sep 19, 1978
- Hunter Douglas International N.V.
- Hendrik de Wit
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Venetian blind, preferably a vertical blind
- Patent number 3,996,988
- Issue date Dec 14, 1976
- Hunter Douglas Industries BV
- Hendrik de Wit
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS