发明名称 AUXILIARY LENSES FOR SPECTACLES AND MEANS FOR ATTACHING SAME
摘要 This invention relates to a pair of auxiliary lenses designed to adjust the vision of a wearer of spectacles from distance viewing to an intermediate distance and means to attach the auxiliary lenses to spectacles which includes a clip and a connecting arm which is pivotal so that the auxiliary lenses may be adjusted vertically or pivoted into or out of the line of sight.
申请公布号 CA2008006(A1) 申请公布日期 1991.07.17
申请号 CA19902008006 申请日期 1990.01.17
申请人 HAREYCHUK, RICHARD T.;BRODLIEB, RICHARD 发明人 HAREYCHUK, RICHARD T.;BRODLIEB, RICHARD
分类号 G02B7/04;(IPC1-7):G02B7/04 主分类号 G02B7/04
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