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:
Feb. 27, 1990
Filed:
Jul. 18, 1983
Applicant:
Inventor:
Richard F Wright, Chillicothe, OH (US);
Assignee:
The Mead Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D / ;
U.S. Cl.
CPC ...
283 95 ; 283 70 ; 283 74 ; 283 77 ; 283901 ;
Abstract
A system for verifying the authenticity of documents such as negotiable instruments wherein a field of photoactive microcapsules is provided in a localized area on the document. By image-wise exposing the document, a latent image of a verification meand such as a signature, fingerprint, or the like can be produced on the document which can be instantly developed upon rupturing the microcapsules to verify the authenticity of the document when it is presented.