Klaus Helbig

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the enlargement of the range of the transm...
- Patent number 6,181,709
- Issue date Jan 30, 2001
- DICA Technologies AG
- Klaus Helbig
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for the enlargement of the reach of the transm...
- Patent number 5,673,258
- Issue date Sep 30, 1997
- DTM Data TeleMark GmbH
- Klaus Helbig
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Process and communication equipment for encrypting e-mail traffic b...
- Publication number 20040243837
- Publication date Dec 2, 2004
- Paul H. Fredette
- H04 - ELECTRIC COMMUNICATION TECHNIQUE