Patents by Inventor Alan Tigert

Alan Tigert 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).

  • Vision protection device for night driving
    Patent number: 7306331
    Abstract: A vision enhancement and protection device for night time driving of automobiles where the driver is subjected to the high intensity light of the headlights of oncoming vehicles and the reflected light from the rear view mirror of the headlights of automobiles following the driver's automobile. The device is a light attenuation device applied to normal eyeglass lenses, or a separate set of lenses which may be clipped on to a set of normal eyeglasses, in a particular location and orientation relative to the location of the driver's pupils behind the eyeglasses.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: December 11, 2007
    Inventor: Alan Tigert