发明名称 Aquatic platform with anti-roosting system
摘要 An aquatic platform such as a swimming raft is equipped with an anti-roosting system comprised of a series of opaque panels which can be moved to a raised position blocking outward viewing of fowl alighting on the surface of the platform and deterring roosting thereon. The panels are released to be moved to a stowed position below the platform surface when the platform is in use.
申请公布号 US5784980(A) 申请公布日期 1998.07.28
申请号 US19960733977 申请日期 1996.10.18
申请人 BENEFIEL, JOHN R. 发明人 BENEFIEL, JOHN R.
分类号 B63B17/00;(IPC1-7):B63B35/44;E04B1/72 主分类号 B63B17/00
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