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Erich Schaefer
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Karlsruhe, DE
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last 30 patents
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Patent Grant
Method and circuit arrangement for controlling the operating point...
Patent number
6,690,339
Issue date
Feb 10, 2004
Siemens Aktiengesellschaft
Klaus Burkhardt
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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last 30 patents
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Patent Application
Method and circuit arrangement for controlling the operating point...
Publication number
20020000952
Publication date
Jan 3, 2002
Siemens AG
Klaus Burkhardt
H04 - ELECTRIC COMMUNICATION TECHNIQUE