发明名称 BOAT OAR HAVING A PORTED STRUCTURE
摘要 <p>A boat oar has a shaft formed of a single, hollow tube of composite material, wherein tubular "ports" extend through the hollow tube. The ends of the ports are bonded to the walls of the hollow tube. The ports improve the stiffness, strength, aerodynamics and comfort of the boat oar.</p>
申请公布号 WO2008062259(A1) 申请公布日期 2008.05.29
申请号 WO2006IB54431 申请日期 2006.11.24
申请人 PRINCE SPORTS, INC.;DAVIS, STEPHEN J.;GAZZARA, ROBERTO 发明人 DAVIS, STEPHEN J.;GAZZARA, ROBERTO
分类号 B63H16/04 主分类号 B63H16/04
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