Robert Jan Levert

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Capelle a/d IJssel, NL

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Patents Grantslast 30 patents

Information Patent Grant
Combined multiple-glazed window and light-control assembly
- Patent number 6,397,917
- Issue date Jun 4, 2002
- Hunter Douglas Industries BV
- Robert Jan Levert
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Combined multiple-glazed window and light-control assembly
- Patent number 6,123,137
- Issue date Sep 26, 2000
- Hunter Douglas International N.V.
- Robert Jan Levert
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
COMBINED MULTIPLE-GLAZED WINDOW AND LIGHT-CONTROL ASSEMBLY
- Publication number 20020038694
- Publication date Apr 4, 2002
- Robert Jan Levert
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS