High refractive index photochromic ophthalmic article
A Standard patent application filed on 14 October 1994 credited to Coleman, Charles R ; Selvig, Christopher D ; Herold, Robert D

Details

Application number :

80169  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

High refractive index photochromic ophthalmic article  

Inventor :

Coleman, Charles R ; Selvig, Christopher D ; Herold, Robert D  

Agent name :

 

Address for service :

 

Filing date :

14 October 1994  

Associated companies :

 

Applicant name :

PPG Industries, Inc.  

Applicant address :

 

Old name :

 

Original Source :

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