Patents by Inventor Gregory L. Ploeger

Gregory L. Ploeger 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).

  • Contoured headlight concealment lens
    Patent number: 4704667
    Abstract: A contoured concealment lens for vehicle headlights. The lens conforms to the contour of the vehicle body and includes an internal cavity that is selectively filled with an opaque fluid when the headlights are not in use. The concealment lens has no adverse influence on the aerodynamics of the vehicle when the lights are in use and it is aesthetically compatable with the vehicle at all times.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: November 3, 1987
    Inventor: Gregory L. Ploeger