Michael Winkelmann

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Bochum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Network coupling device and data network with network coupling device
- Patent number 6,904,042
- Issue date Jun 7, 2005
- Siemens Aktiengesellschaft
- Wilfried Krug
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Private branch exchange for interconnecting data networks
- Publication number 20020071532
- Publication date Jun 13, 2002
- Thomas Bebko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network coupling device and data network with network coupling device
- Publication number 20010006524
- Publication date Jul 5, 2001
- Wilfried Krug
- H04 - ELECTRIC COMMUNICATION TECHNIQUE