US Patent 8313397 Batting tool and ball-game bat

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

83133970

Patent Inventor Names

Katsumi Shimohira0

Makoto Watari0

Date of Patent

November 20, 2012

Patent Application Number

127554970

Date Filed

April 7, 2010

Patent Citations Received

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US Patent 12005330 Double-barrel ball bats

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US Patent 11660512 Double-barrel ball bats

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US Patent 11951368 Ball bat with decoupled barrel

Patent Primary Examiner

‌

Mark Graham

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