Patent search ap:("GEMOLOGICAL INSTITUTE OF AMERICA INC") AND inv:"SHIGLEY JAMES E" Page 1

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发明专利
Systems and methods for evaluating the appearance of a gemstone 未知

公开(公告)号：AU2007201966B8

公开(公告)日：2010-02-25

申请号：AU2007201966

申请日：2007-05-01

Applicant: GEMOLOGICAL INSTITUTE OF AMERICA INC

Inventor： JOHNSON MARY L , HEMPHILL THOMAS S , SHIGLEY JAMES E , REINITZ LLENE M

IPC: G01N21/87

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