US Patent D666887 Automatic knife

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D6668870

Patent Inventor Names

David A. Wattenberg0

Date of Patent

September 11, 2012

Patent Application Number

293943770

Date Filed

June 16, 2011

Patent Citations Received

‌

US Patent D1028672 Pocket knife

‌

US Patent D1012661 Pocket knife

‌

US Patent 11919179 Out-the-front knife

‌

US Patent D1024717 Out-the-front knife

Patent Primary Examiner

‌

Philip S Hyder

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