发明名称 Portable dock
摘要 This portable dock consists primarily of a channelled body portion, for being anchored on the bank of a body of water, the body portion being hinged to a ladder, which is elevatable, and provided with anchor pin means for embedding into the bed beneath the water level. The dock includes removable hand rails.
申请公布号 US4107932(A) 申请公布日期 1978.08.22
申请号 US19770827162 申请日期 1977.08.24
申请人 CANTRELL, SEALS R. 发明人 CANTRELL, SEALS R.
分类号 E02B3/06;(IPC1-7):E02B17/00 主分类号 E02B3/06
代理机构 代理人
主权项
地址