Ronald Sprokkereef

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Heemstede, NL

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,424,104
- Issue date Sep 9, 2008
- Koninklijke KPN N.V.
- Ronald Sprokkereef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20070116232
- Publication date May 24, 2007
- Koninklijke KPN N.V.
- Ronald Sprokkereef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE