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. 03, 1998
Filed:
Dec. 23, 1993
Applicant:
Inventors:
Daniel Marinello, Erlanger, KY (US);
Louis Liang, Los Altos, CA (US);
William G McGinness, Burlington, KY (US);
Assignees:
Other;
Angstrom Technologies, Erlanger, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430106 ; 430137 ;
Abstract
An improved laser printer or photocopier toner for authentication is made by mixing conventional toner particles with submicron ultraviolet sensitive particles that exhibit detectable characteristics in response to ultraviolet radiation. A document printed using the improved toner can be authenticated using a UV scanner.
Marinello, Daniel. (1998). System for authenticating printed or reproduced documents (U.S. Patent No. 5714291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5714291
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile