Patents by Inventor Mark E. Montgomery

Mark E. Montgomery 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).

  • Polarized and non-polarized bifocal spectacles
    Publication number: 20040046927
    Abstract: The present invention teaches a new category of bifocal sunglasses utilizing a vertically polarized upper lens portion and a non-polarized light absorbing lower lens segment mechanically affixed to the upper portion.
    Type: Application
    Filed: August 27, 2003
    Publication date: March 11, 2004
    Inventor: Mark E. Montgomery