Patents by Inventor Janet L. Barber

Janet L. Barber 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).

  • Firearm inspection device
    Patent number: 5365332
    Abstract: A device for inspecting a firearm by directing light from an exterior source to the bore or barrel of the firearm includes a generally L-shaped, single piece, light-transmitting member having a first leg substantially cylindrical in cross section merging smoothly into a second outwardly flaring leg substantially non-cylindrical in cross section. The first leg and second leg each have convexly-shaped free ends and cooperate to increase the gathering, capture and distribution of light between the source and the bore of the firearm.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: November 15, 1994
    Assignee: J. Bar Enterprises
    Inventors: John C. Barber, Jr., Janet L. Barber, John S. A. Barber