Patents by Inventor Mark J. Dunau

Mark J. Dunau 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: 4525889
    Abstract: A paint brush holder and length extender including a block supported on a pole. The block includes an opening at its upper end which receives a resilient spring clip adapted to hold one of a variety of different sized paint brushes at a distance from the worker thereby making brush changing efficient and rapid and making safer the painting of areas which would normally necessitate the use of a ladder; the paint brush may be positioned in a plurality of fixed angles with respect to the pole for ease of working.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: July 2, 1985
    Inventor: Mark J. Dunau