Patents Assigned to 3M INNOVATIVE ROPERTIECOMPANY
  • RETROREFLECTIVE ARTICLES HAVING A MACHINE-READABLE CODE
    Publication number: 20150060551
    Abstract: Retroreflective articles comprise a substrate and a bar code provided on the substrate. The bar code comprises at least one human-readable information which provides framing information and a machine-readable information which provides variable information. The human-readable information is visible under a first condition and invisible under a second condition, and the machine-readable information is invisible under the first condition and visible under the second condition.
    Type: Application
    Filed: March 29, 2013
    Publication date: March 5, 2015
    Applicant: 3M INNOVATIVE ROPERTIECOMPANY
    Inventors: Patrick R. Fleming, Thomas J. Dahlin