专利名称：Automatic book mark发明人：Amos Frank,Joel Kehat申请号：US07/232176申请日：19880815公开号：US04941684A公开日：19900717
摘要：A book mark for use in combination with a book having a front cover, a backcover and a spine therebetween, comprises a clamp for releasable attachment to thebook and a marker, integrally formed with the clamp and arranged to extend, in use,from the clamp generally outward of the spine of the book, for releasably marking apage in the book. The clamp and the marker are formed of a molded, flexible, resilientmaterial.
申请人：BEN-DAK; JOSEPH D.
代理机构：Sherman and Shalloway
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