Ralph Kecke

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Plauen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Lamp with graded absorption coating
- Patent number 9,431,231
- Issue date Aug 30, 2016
- Koninklijke Philips N.V.
- Juergen Flechsig
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Lamp with Graded Absorption Coating
- Publication number 20130154466
- Publication date Jun 20, 2013
- Koninklijke Philips Electronics N.V.
- Juergen Flechsig
- H01 - BASIC ELECTRIC ELEMENTS