Gerardus M. J. Havermans

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Communication system, a private automatic branch exchange, and a li...
- Patent number 5,812,548
- Issue date Sep 22, 1998
- U.S. Philips Corporation
- Gerardus M.J. Havermans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and a private branch exchange to be used in su...
- Patent number 5,450,396
- Issue date Sep 12, 1995
- U.S. Philips Corporation
- Gerardus M. J. Havermans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications system, switching exchange and line card
- Patent number 5,418,838
- Issue date May 23, 1995
- U.S. Philips Corporation
- Gerardus M. J. Havermans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital subscriber line circuit for connecting an ISDN subscriber t...
- Patent number 5,297,145
- Issue date Mar 22, 1994
- U.S. Philips Corporation
- Gerardus M. J. Havermans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital telephone exchange with means for processing packet-switche...
- Patent number 4,486,878
- Issue date Dec 4, 1984
- U.S. Philips Corporation
- Gerardus M. J. Havermans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE