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. 12, 2002
Filed:
Dec. 27, 2001
Applicant:
Inventors:
Thomas P. Hedblom, Eagan, MN (US);
Eric E. Rice, Woodbury, MN (US);
Terry L. Bescup, Woodbury, MN (US);
Joseph M. McGrath, Lake Elmo, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01F 9/015 ;
U.S. Cl.
CPC ...
E01F 9/015 ;
Abstract
The articles of the present invention comprise pavement marking articles which are retroreflective under dry and/or wet conditions. The articles comprise a monolayer of exposed-lens optical elements, a spacing layer, and a reflective layer. The present invention also provides a method of making said pavement marking articles.
Quick Actions:
Hedblom, Thomas. (2002). Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same (U.S. Patent No. 6479132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6479132
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile