Patents by Inventor Michael E. Hallock

Michael E. Hallock 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).

  • Patent number: 10948745
    Abstract: A vision-protecting filter lens, including a multilayer optical film and a neutral-density optical filter.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: March 16, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael E. Hallock, Joy L. Manske, Britton G. Billingsley
  • Publication number: 20170363884
    Abstract: A vision-protecting filter lens, including a multilayer optical film and a neutral-density optical filter.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 21, 2017
    Inventors: Michael E. Hallock, Joy L. Manske, Britton G. Billingsley