发明名称 Prescription eyewear made from non-prescription lens shield material
摘要 Prescription eyewear is disclosed comprising a non-prescription one-piece plastic lens shield within the periphery of which generally central apertures have been formed, and prescription lenses are permanently affixed within said apertures. The lens shield are generally obtained from optically defective lens shield material since apertures are to be cut out centrally from the lens shield. Alternatively, the non-prescription lens shield may be optically correct and, of course, may still be the source of the prescription eyewear.
申请公布号 US5387950(A) 申请公布日期 1995.02.07
申请号 US19920934119 申请日期 1992.08.21
申请人 WELTMANN, ALFRED 发明人 WELTMANN, ALFRED
分类号 G02C1/06;G02C5/00;(IPC1-7):G02C13/00 主分类号 G02C1/06
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