Wilhelmus Johannes Jacobus Welters

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Weert, NL

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure sodium vapor discharge lamp with hybrid antenna
- Patent number 8,456,087
- Issue date Jun 4, 2013
- Koninklijke Philips Electronics N.V.
- Thomas G. Steere
- H01 - BASIC ELECTRIC ELEMENTS