Patents by Inventor Frank R. Brownell

Frank R. Brownell 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: 6701658
    Abstract: A gun barrel cleaning tool is provided for rifle, shotguns and handguns including a rod to which any number of different cleaning devices may be sequentially interconnected in any desired order as is appropriate for a particular cleaning operation. Typical cleaning devices include brushes, mops and loops.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: March 9, 2004
    Assignee: Brownells, Inc.
    Inventor: Frank R. Brownell