Wilhelmus Jacobus Johannes Welters

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Electric lamp
- Patent number 7,378,798
- Issue date May 27, 2008
- Koninklijke Philips Electronics, N.V.
- Jacobus Johannes Chretien Coumans
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a lamp
- Publication number 20060232211
- Publication date Oct 19, 2006
- Koninklijke Philips Electronics N.V.
- Wilhelmus Jacobus Johannes Welters
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electric lamp
- Publication number 20050174058
- Publication date Aug 11, 2005
- KONINKLOJKE PHILLIPS ELECTRONICS N.V.
- Jacobus Johannes Chretien Coumans
- H01 - BASIC ELECTRIC ELEMENTS