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Ralf Gottfried-Gottfried
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Wetzler, DE
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last 30 patents
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Patent Grant
Rotation angle sensor
Patent number
6,781,368
Issue date
Aug 24, 2004
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V.
Heinrich Grueger
G01 - MEASURING TESTING
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Patent Grant
Phase-modulating microstructures for highly integrated surface ligh...
Patent number
6,259,550
Issue date
Jul 10, 2001
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
Ralf Gottfried-Gottfried
G02 - OPTICS
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Patent Grant
Miniaturized coil arrangement made by planar technology, for the de...
Patent number
5,831,431
Issue date
Nov 3, 1998
Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.
Ralf Gottfried-Gottfried
G01 - MEASURING TESTING
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Patent Grant
Infrared radiation absorption device
Patent number
5,578,858
Issue date
Nov 26, 1996
Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.
Michael Mueller
H01 - BASIC ELECTRIC ELEMENTS