Patents by Inventor Paul F. Rohrbacher

Paul F. Rohrbacher 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: H1154
    Abstract: A Blue-Green spectral Filter and two polaroid filters are assembled within rotating barrel assembly to both limit light source emissions to a selected light spectrum and control light intensity in order to prevent enemy night vision device detection. The rotating barrel assembly can be manufactured to attach to any type of light source. In addition, environmental protection from rain and dust is maintained through O-ring seals.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: March 2, 1993
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: David J. Gibson, Paul F. Rohrbacher