发明名称 ADJUSTABLE EASEL
摘要 An easel for supporting a loose-leaf binder, a book, or other written matter on two clips on the easel face which is angularly adjustable through a wide range of angles with great ease. The easel is formed of a series of sections joined together with hinges and arranged for either upright operating position or collapsed folded position.
申请公布号 US3682433(A) 申请公布日期 1972.08.08
申请号 USD3682433 申请日期 1970.07.10
申请人 EARL L. PETERSEN 发明人 EARL L. PETERSEN
分类号 A47B19/10;A47B97/08;(IPC1-7):A47B97/08 主分类号 A47B19/10
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