Wolfram Lemppenau

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Kilchberg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Collision-free insertion and removal of circuit-switched channels i...
- Patent number 5,327,428
- Issue date Jul 5, 1994
- International Business Machines Corporation
- Harmen Van As
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Medium access technique for LAN systems
- Patent number 5,276,682
- Issue date Jan 4, 1994
- International Business Machines Corporation
- Harmen Van As
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Insert/remove signalling in LAN systems
- Patent number 5,214,649
- Issue date May 25, 1993
- International Business Machines Corporation
- Harmen Van As
- H04 - ELECTRIC COMMUNICATION TECHNIQUE