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Markus Scheibel
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Blaufelden, DE
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last 30 patents
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Patent Grant
Intrusion detection security keyboard
Patent number
5,872,560
Issue date
Feb 16, 1999
International Business Machines Corporation
Hartmut Droege
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Security foil with shielding from electromagnetic radiation
Patent number
5,796,335
Issue date
Aug 18, 1998
International Business Machines Corporation
Hartmut Droege
G08 - SIGNALLING