Patents by Inventor John Michael Hoffer

John Michael Hoffer 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).

  • Traffic Signs Optimized for Night Vision Based Navigation
    Publication number: 20130067782
    Abstract: This invention relates to traffic signs which are optimized for night vision based navigation. The symbol/word of the traffic sign is designed to have a thick outline with different reflectivity relative to the background in the infrared wavelength region. As a result, the traffic signs are not only visible to the human eyes but also discernible under night vision equipment.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 21, 2013
    Applicant: BWT PROPERTY, INC.
    Inventors: John Michael Hoffer, Cunwu Yang, Sean Xiaolu Wang