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:
Apr. 24, 1984
Filed:
Jan. 21, 1983
Applicant:
Inventors:
William E Bernier, Endicott, NY (US);
Francis Emmi, Binghamton, NY (US);
Edmond O Fey, Vestal, NY (US);
Paul L Gendler, San Jose, CA (US);
Robert J Twieg, San Jose, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
204-2 ; 3461351 ;
Abstract
An electrochromic printable medium which includes a substrate coated with certain organic compounds and with the reduced form of an oxidizing agent; and use thereof for electrochromic printing.