Eugen Rippstein

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Aesch, CH

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Patents Grantslast 30 patents

Information Patent Grant
Computerized communication system for voice and data services
- Patent number 6,360,245
- Issue date Mar 19, 2002
- Siemens Schweiz AG
- Kurt Amstad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system with cordless terminals
- Patent number 6,289,089
- Issue date Sep 11, 2001
- Siemens Schweiz AG
- Eugen Rippstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications system with mobile telephones and operating method
- Patent number 5,983,096
- Issue date Nov 9, 1999
- Siemens Schweiz AG
- Peter Lietha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunication systems with captive condition surveillance and r...
- Patent number 4,088,841
- Issue date May 9, 1978
- Siemens-Albis Aktiengesellschaft
- Gunther Weisigk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE