US Patent D640909 Two stage sharpener
Patent D640909 was granted and assigned to Wusthof-Trident Of America, Inc. on July, 2011 by the United States Patent and Trademark Office.
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Patent Citations Received
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Patent Citations Received
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Patent Inventor Names
Cynthia Fu Chit0
Rene Henry Stutz0
Robert Krane0
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US Patent D0640909 Two stage sharpener US Patent D640909 Two stage sharpener
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Patent Number
D064090900
Patent Number
D64090900
Edits on 5 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
D06409090
Date of Patent
July 5, 2011
0Patent Application Number
293632010
Date Filed
June 7, 2010
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
D06409090
Date of Patent
July 5, 2011
0Patent Application Number
293632010
Date Filed
June 7, 2010
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent D0640909 Two stage sharpener
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
D0640909
Date of patent
July 5, 2011
Patent application number
29363201
Date Filed
June 7, 2010
Patent primary examiner
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