发明名称 Bioptic lens cover and protector
摘要 A bioptic lens protector comprising a tube, a lens, and a backstop. The lens is contained between the backstop inserted into the tube and a ledge of the tube. The tube attaches to a bioptic lens. A tinted lens can be used to protect the eyes of a light sensitive person wearing bioptic lenses with attached bioptic lens protectors.
申请公布号 US6437927(B1) 申请公布日期 2002.08.20
申请号 US20010794571 申请日期 2001.02.27
申请人 SHAFER LARRY LEE 发明人 SHAFER LARRY LEE
分类号 G02B7/02;G02B25/00;G02C7/08;(IPC1-7):G02B3/00;G02C1/00 主分类号 G02B7/02
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