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US Patent D640523 Four stage sharpener

Patent D640523 was granted and assigned to Wusthof-Trident Of America, Inc. on June, 2011 by the United States Patent and Trademark Office.

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Patent
Patent
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Current Assignee
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Wusthof-Trident Of America, Inc.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
D6405230
Patent Inventor Names
Rene Henry Stutz0
Cynthia Fu Chit0
Robert Krane0
Date of Patent
June 28, 2011
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Patent Application Number
293632030
Date Filed
June 7, 2010
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Patent Citations Received
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US Patent D1016589 Knife sharpener casing
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US Patent D1027598 Knife sharpener
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Patent Primary Examiner
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Phillip S. Hyder
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