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. 19, 2005
Filed:
Jan. 30, 2002
Nabil M. Lawandy, North Kingstown, RI (US);
Timothy J. Driscoll, Pawtucket, RI (US);
Charles M. Zepp, Hardwick, MA (US);
Nabil M. Lawandy, North Kingstown, RI (US);
Timothy J. Driscoll, Pawtucket, RI (US);
Charles M. Zepp, Hardwick, MA (US);
Spectra Systems Corporation, Providence, RI (US);
Abstract
A method and a system is disclosed for affixing invisible or unobtrusive markings to mail pieces (), and subsequently collecting information from the mail pieces for sorting purposes. The system includes the affixation of an optically contrasting layer () to a mail piece, the layer changing optically upon the application of a stimulus to present a contrasting background for imaging encoded information () applied over the layer and related to the mail piece.