USD651227SActiveUtility

Optical lens

55
Assignee: LAI CHIH-MINGPriority: Sep 17, 2009Filed: Dec 28, 2009Granted: Dec 27, 2011
Est. expirySep 17, 2029(~3.1 yrs left)· nominal 20-yr term from priority
Inventors:Chih-Ming LaiMing-Young Shiao
55
PatentIndex Score
7
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an optical lens, as shown.

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