Patents by Inventor James C. Hoffman

James C. Hoffman 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: 5894335
    Abstract: Removable sun protective lenses for eyeglasses. The glasses have a pair of prescription lenses coupled at the inboard ends thereof and also have outboard ends, each with a linear ear piece coupled thereto. A pair of sun protective lenses are coupled at inboard ends and have a pair of linear arms coupled to outboard ends of the sun protective lenses. The sun protective lenses are mounted to the glasses with a bottom surface of the linear arms resting on a top surface of the ear pieces of the glasses. Coupling components are provided for removably coupling the linear arms of the sun protective lenses and the ear pieces of the glasses.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: April 13, 1999
    Inventor: James C. Hoffman