US Patent 8905541 Electronic spectacle frames

Patent 8905541 was granted and assigned to Mitsui Chemicals on December, 2014 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Mitsui Chemicals

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8905541

Patent Inventor Names

Ronald D. Blum0

Yongping Wang0

Claudio Dalla Longa0

Joshua N. Haddock0

Mark Graham0

Date of Patent

December 9, 2014

Patent Application Number

13298992

Date Filed

November 17, 2011

Patent Citations Received

‌

US Patent 12066695 Ophthalmic systems and methods with lateral focus shifting

‌

US Patent 11698542 Eyewear device hinge assembly

Patent Primary Examiner

‌

Hung Dang

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