Lodewijk H. M. Meessen

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Operating circuit for a high-pressure discharge lamp
- Patent number 5,039,916
- Issue date Aug 13, 1991
- U.S. Philips Corporation
- Lodewijk H. M. Meessen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-pressure sodium vapor discharge lamp
- Patent number 4,795,943
- Issue date Jan 3, 1989
- U.S. Philips Corporation
- Petrus H. Antonis
- H01 - BASIC ELECTRIC ELEMENTS