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 220/547 - Locking means includes a gear-like member which engages the spaced apertures or ribs

Subclass of Class 220 - Receptacles
Definition: Receptacle wherein the locking means includes a gear-like
No. of patents: 0