Johannes Cornelis Gerardus Vervest

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Low-pressure gas discharge lamp and method for making
- Patent number 4,277,713
- Issue date Jul 7, 1981
- U.S. Philips Corporation
- Jan Hasker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a low-pressure gas discharge lamp
- Patent number 4,101,185
- Issue date Jul 18, 1978
- U.S. Philips Corporation
- Johannes van Esdonk
- C03 - GLASS MINERAL OR SLAG WOOL