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发明名称
Boat baby—retractable marine line
摘要
BOATBABY, a portable, auto retractable marine line (rope) reel, attachable, spring loaded receptacle for marine line (rope) used in docking, trailering and launching a boat is disclosed. No current device exits.
申请公布号
US8689719(B1)
申请公布日期
2014.04.08
申请号
US201313756511
申请日期
2013.01.31
申请人
ROBERTS FRANK CRAWFORD
发明人
ROBERTS FRANK CRAWFORD
分类号
B63B21/00
主分类号
B63B21/00
代理机构
代理人
主权项
地址
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