Invention Grant
- Patent Title: Increasing dissimilarity of characters disposed on an optically active article
-
Application No.: US15754138Application Date: 2016-08-19
-
Publication No.: US10706311B2Publication Date: 2020-07-07
- Inventor: Justin M. Johnson , James W. Howard , Thomas J. Dahlin , James B. Snyder , James L. C. Werness, Jr.
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Michael Stern
- International Application: PCT/US2016/047745 WO 20160819
- International Announcement: WO2017/034968 WO 20170302
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06K9/18 ; G06K9/20 ; G06K9/62
Abstract:
The inventors of the present application developed novel retroreflective materials, and articles. One example of the present application is a retroreflective article, comprising a substrate and a machine-readable information disposed on the substrate, wherein the machine-readable information corresponds to a predetermined human-readable information.
Public/Granted literature
- US20180239981A1 INCREASING DISSIMILARITY OF CHARACTERS DISPOSED ON AN OPTICALLY ACTIVE ARTICLE Public/Granted day:2018-08-23
Information query
