Heinrich belhack

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Oberhaching, DE

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Patents Grantslast 30 patents

Information Patent Grant
Telecommunication signalling arrangement
- Patent number 4,799,256
- Issue date Jan 17, 1989
- Siemens Aktiengesellschaft
- Renate Mattis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for telecommunication switching systems connect...
- Patent number 4,754,480
- Issue date Jun 28, 1988
- Siemens Aktiengesellschaft
- Renate Mattis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE