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 attributes

Current Assignee

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Wusthof-Trident Of America, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D6405230

Patent Inventor Names

Rene Henry Stutz0

Cynthia Fu Chit0

Robert Krane0

Date of Patent

June 28, 2011

Patent Application Number

293632030

Date Filed

June 7, 2010

Patent Citations Received

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US Patent D1016589 Knife sharpener casing

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US Patent D1027598 Knife sharpener

Patent Primary Examiner

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Phillip S. Hyder

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