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:
Nov. 08, 2022
Filed:
Oct. 25, 2018
3m Innovative Properties Company, St. Paul, MN (US);
Kui Chen-Ho, Woodbury, MN (US);
Ann M. Gilman, Bayport, MN (US);
Kevin W. Gotrik, Hudson, WI (US);
Scott J. Jones, Woodbury, MN (US);
Daniel M. Lentz, Cottage Grove, MN (US);
Michael A. McCoy, St. Paul, MN (US);
Shri Niwas, Maple Grove, MN (US);
Matthew S. Stay, Minneapolis, MN (US);
Ramasubramani Kuduva Raman Thanumoorthy, Woodbury, MN (US);
Ying Xia, Woodbury, MN (US);
3M Innovative Properties Company, Monroe, NC (US);
Abstract
A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the embedded reflective layers are localized reflective layers.