Patents by Inventor Gajendra Rao

Gajendra Rao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Security Article Having a Switching Feature
    Publication number: 20140092475
    Abstract: A security laminate for authenticating an article and a method for authenticating articles is disclosed. The security laminate includes a transparent binder layer and retroreflective microspheres such that the security laminate exhibits a covert switching effect when exposed to particular conditions.
    Type: Application
    Filed: December 4, 2013
    Publication date: April 3, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Vivek Krishnan, Gaurav Manik, Gajendra Rao
  • Security article having a switching feature
    Patent number: 8622555
    Abstract: A security laminate for authenticating an article and a method for authenticating articles is disclosed. The security laminate includes a transparent binder layer and retroreflective microspheres such that the security laminate exhibits a covert switching effect when exposed to particular conditions.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: January 7, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Vivek Krishnan, Gaurav Manik, Gajendra Rao
  • SECURITY ARTICLE HAVING A SWITCHING FEATURE
    Publication number: 20120050863
    Abstract: A security laminate for authenticating an article and a method for authenticating articles is disclosed. The security laminate includes a transparent binder layer and retroreflective microspheres such that the security laminate exhibits a covert switching effect when exposed to particular conditions.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 1, 2012
    Inventors: Vivek Krishnan, Gaurav Manik, Gajendra Rao