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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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Inventor: David Wai-Wing Cheng

Address: Belmont, CA
No. of patents: 1
Last patent issue date: 02/15/2000

Number	Title	Issue Date
6024687	Centrifuge rotor lock A centrifuge rotor locking apparatus includes a C-shaped annular member for a snap-fit engagement about a drive hub. The member comprises first and second contacting segments and a third non-contacting segment. Centrifugation causes the contacting segment...	02/15/2000