Patents by Inventor David J. Stengel

David J. Stengel 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: 5357705
    Abstract: An adjustable gun cleaning device which protects the firing pin of the gun from damage during cleaning. The invention has a double-ended cleaning rod with a cylindrical wire brush on one end and an eye loop for holding a cloth swab on the other end. In between the two ends of the rod is mounted a cylindrical handle which slides over the cleaning rod. A thumb screw on the handle can be used to lock the handle in different positions along the cleaning rod. The movable handle serves as an adjustable shoulder stop to limit the forward motion of the cleaning rod during gun cleaning. Because it is adjustable, the handle can be repositioned for use as a safety stop with different length gun barrels. The end of the handle nearest the wire brush is hollowed out to form a cylindrical cavity so that it can also serve as a protective storage cover for the wire brush when not in use.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: October 25, 1994
    Inventor: David J. Stengel