Martinus H. A. van de Weijer

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Rhenium-containing electrode for a high-pressure sodium discharge lamp
- Patent number 4,864,191
- Issue date Sep 5, 1989
- U.S. Philips Corporation
- Martinus H. A. Van De Weijer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp current supply member and mounting sea...
- Patent number 4,475,061
- Issue date Oct 2, 1984
- U.S. Philips Corporation
- Martinus H. A. van de Weijer
- H01 - BASIC ELECTRIC ELEMENTS