Invention Grant
US07828429B2 Eyeglass retainer device 有权
眼镜保持器

Eyeglass retainer device
Abstract:
An eyeglass retainer device attachable to an eyeglass frame includes a plurality of flexible tubular segments which are interconnected to form a string of flexible tubular supports and adjustable to change the length of the string. One or more clamps are employed to lock the flexible tubular segments against movement once adjusted.
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