Patents by Inventor Werner Dubs

Werner Dubs 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).

  • Brush for the cleaning of firearm bores and gun barrels
    Patent number: 4144609
    Abstract: A gun cleaning brush for cleaning firearm bores including a central spindle rod with a plurality of freely rotatable circular brush units on the spindle and end pieces at the spindle with conically shaped transition pieces between the bristles and the end pieces.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: March 20, 1979
    Inventor: Werner Dubs