发明名称 MULTIPURPOSE COLLABORATION ARTICLE
摘要 An illustrative multipurpose collaboration article comprising: (a) a writing member having a rewritable surface, (b) a support member having a front surface and adapted to receive and releasably support replaceable writing media (not shown), and (c) a frame to which each of the writing member and the support member is attached.
申请公布号 WO2012018575(A2) 申请公布日期 2012.02.09
申请号 WO2011US45144 申请日期 2011.07.25
申请人 3M INNOVATIVE PROPERTIES COMPANY;NASH, JAMES E. 发明人 NASH, JAMES E.
分类号 B43L1/10;B43L1/00 主分类号 B43L1/10
代理机构 代理人
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