Ralf Pfannkuchen

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Wuppertal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Circuit and method for providing access to a test and/or monitoring...
- Patent number 7,773,728
- Issue date Aug 10, 2010
- 3M Innovative Properties Company
- Ralf Pfannkuchen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Carrier of a Distribution Point in the Field of Telecommunications
- Publication number 20080002371
- Publication date Jan 3, 2008
- Ralf Pfannkuchen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circuit and Method for Providing Access to a Test and/or Monitoring...
- Publication number 20070283068
- Publication date Dec 6, 2007
- Ralf Pfannkuchen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE