Patents by Inventor John W. Gadberry

John W. Gadberry 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).

  • Signal viewing device
    Patent number: 6108141
    Abstract: A Signal Viewing Device is comprised of a fresnel lens of a vinyl material to be applied to the inside top edge of a vehicle windshield to provide an enhanced field of view to the driver thereof.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: August 22, 2000
    Inventor: John W. Gadberry