Johannes H. Roes

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent lamp having transparent layer with low mercury consumption
- Patent number 6,555,963
- Issue date Apr 29, 2003
- Koninklijke Philips Electronics N.V.
- Ingrid J. M. Snijkers-Hendrickx
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-pressure mercury vapor discharge lamp with a spiral-shaped elec...
- Patent number 6,445,121
- Issue date Sep 3, 2002
- Koninklüke Phillips Electronics NY
- Johannes H. Roes
- H01 - BASIC ELECTRIC ELEMENTS