Willem Van Benthem

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Low-pressure sodium vapor discharge lamp
- Patent number 4,277,717
- Issue date Jul 7, 1981
- U.S. Philips Corporation
- Willem Van Benthem
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas and/or vapor discharge lamp
- Patent number 4,129,800
- Issue date Dec 12, 1978
- U.S. Philips Corporation
- Willem Van Benthem
- H01 - BASIC ELECTRIC ELEMENTS