The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 1998
Filed:
Apr. 15, 1996
Applicant:
Inventor:
R Russel Austin, Novato, CA (US);
Assignee:
Photran Corporation, Lakeville, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428212 ; 359359 ; 359360 ; 359580 ; 359589 ; 428210 ; 428336 ;
Abstract
A coated substrate is covered with a barrier or base coating having spaced apart transparent electrodes deposited thereon. The base coating and electrodes are arranged such that the electrodes and the base coating together and the base coating alone have at least matching photopic reflectivity in a selected liquid, and preferably have matching spectral response in the selected liquid, over a wavelength range between about 470 and 650 nm.