US Patent 7580118 Methods, apparatus, and systems for evaluating gemstones

Patent 7580118 was granted and assigned to American Gem Society on August, 2009 by the United States Patent and Trademark Office.

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Current Assignee

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Patent Number

Patent Inventor Names

Jose Sasian0

Peter Yantzer0

James Caudill0

Date of Patent

August 25, 2009

Patent Application Number

121253640

Date Filed

May 22, 2008

Patent Primary Examiner

Patent abstract

Methods for grading gemstones, apparatus for grading gemstones, and systems that utilize such methods and apparatus are disclosed.

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