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. 04, 2020
Filed:
Dec. 06, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Neeraj Sharma, Woodbury, MN (US);
Suman K. Patel, Woodbury, MN (US);
Tadesse G. Nigatu, Cottage Grove, MN (US);
Lee A. Pavelka, Cottage Grove, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A prismatic retroreflective sheeting includes a structured layer that includes a plurality of cube corner elements including a reduced tungsten oxide, a radiation-treated region, and a non-radiation-treated region. The prismatic retroreflective sheeting includes also includes an information-containing layer above the structured layer. The information-containing layer includes at least one indicia defining an edge. The radiation-treated region of the structured layer is adjacent and below at least part of the edge of the at least one indicia.