Marcello Manca

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Milan, IT

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Patents Grantslast 30 patents

Information Patent Grant
Digital interface between at least two subscriber line interface ci...
- Patent number 4,893,309
- Issue date Jan 9, 1990
- Siemens AG
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital interface of an integrated subscriber line interface circuit
- Patent number 4,881,226
- Issue date Nov 14, 1989
- Siemens Aktiengesellschaft
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE