U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Class 211/119.08 - On horizontal axis only

Subclass of Class 211 - Supports: racks
Definition: Devices in which the support for the pulley is mounted on
No. of patents: 0