Assignee

YAMASHITA YOHEI

JP·1 granted patent·17 citations·filing 2012–2012

Technology mixA63B1 B29C1 B29D1 B29L1

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0188US8814733B2Baseball or softball bat with modified restitution characteristicsYAMASHITA YOHEI·Filed 2012·Granted Aug 26, 2014·17 cites·10 claims

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