US Patent D645318 Portable electric hammer drill

Patent D645318 was granted and assigned to Hitachi on September, 2011 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D645318

Patent Inventor Names

Shinichi Kakefuda0

Masanori Okada0

Takahiro Okubo0

Takeshi Taniguchi0

Date of Patent

September 20, 2011

Patent Application Number

29369188

Date Filed

September 3, 2010

Patent Citations Received

‌

US Patent D1018238 Hammer drill

Patent Primary Examiner

Antoine D. Davis

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