发明名称 Propulsion system for a watercraft
摘要 A propulsion system for a watercraft including a motor and a drive connected to the motor. At least one belt is carried by the drive. The belt includes at least one paddle extending outwardly from the belt.
申请公布号 US2005079776(A1) 申请公布日期 2005.04.14
申请号 US20040958780 申请日期 2004.10.05
申请人 MILLER LESTER D. 发明人 MILLER LESTER D.
分类号 B63H1/34;B63H5/00;B63H20/00;(IPC1-7):B63H11/01 主分类号 B63H1/34
代理机构 代理人
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