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Juergen Halfmann
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Buehlertal, DE
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Patents Grants
last 30 patents
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Patent Grant
Power supply unit or battery charging device
Patent number
6,377,021
Issue date
Apr 23, 2002
U.S. Philips Corporation
Thomas Duerbaum
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Device for establishing an electrical plug-in connection
Publication number
20020022390
Publication date
Feb 21, 2002
Thomas Duerbaum
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
Power supply unit or battery charging device
Publication number
20010033148
Publication date
Oct 25, 2001
Thomas Duerbaum
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR