Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsuo Iguchi0
Yukio Hamazaki0
Date of Patent
September 6, 2016
0Patent Application Number
146164750
Date Filed
February 6, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A flight unit in which a flight is connected to a shaft rotatably and without possible wobbling and a dart comprising the flight unit are provided.
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