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Walter Schallier
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last 30 patents
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Patent Grant
Method for establishing data connections in an auxiliary exchange c...
Patent number
5,715,300
Issue date
Feb 3, 1998
Siemens Aktiengesellschaft
Roger Lybeer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Method for the visualization of logged information in a communicati...
Patent number
5,450,569
Issue date
Sep 12, 1995
Siemens Aktiengesellschaft
Walter Schallier
G06 - COMPUTING CALCULATING COUNTING