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Michael Sporrer
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Ratingen, DE
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last 30 patents
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Patent number
7,023,764
Issue date
Apr 4, 2006
Gottfried Wolf
G04 - HOROLOGY
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20040228221
Publication date
Nov 18, 2004
Gottfried Wolf
G04 - HOROLOGY
Ratingen, DE
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Gottfried Wolf
G04 - HOROLOGY