发明名称 Retention means for dental impression trays
摘要 A dental impression tray is provided with mold compound retention means comprising a multilayer sheet having a thin, central layer of a plastic film, a layer of a selected adhesive applied on each surface of the film respectively, and a peel-away disposable foil cover on each layer of adhesive.
申请公布号 US5108286(A) 申请公布日期 1992.04.28
申请号 US19910652517 申请日期 1991.02.08
申请人 FREEDMAN, RICHARD S.;PIERRE, ROGER 发明人 FREEDMAN, RICHARD S.;PIERRE, ROGER
分类号 A61C9/00 主分类号 A61C9/00
代理机构 代理人
主权项
地址
您可能感兴趣的专利