发明名称 Waterproof or water-compatible book with storage for manipulatives
摘要 The present invention provides a book with a storage compartment that is useful in the bathtub or other water environments and wherein the storage compartment stores manipulatives for use with the book and/or decorative objects and/or liquids.
申请公布号 US2007102918(A1) 申请公布日期 2007.05.10
申请号 US20050268044 申请日期 2005.11.07
申请人 INNOVATIVE USA, INC. 发明人 KAUFMAN SHARI
分类号 B42D1/00 主分类号 B42D1/00
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