Patents by Inventor Don L. Washburn

Don L. Washburn 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).

  • Paint roller cleaning device
    Patent number: 5515567
    Abstract: A hand operated paint roller cleaning apparatus (10) which extracts residual reusable paint (33). Mechanically advanced by a one-way drive (25) the roller brush (32) is conveyed longitudinally through the aperture (26). The aperture (26) supports a circular wiper (15) which has a interference fit when contacting with the nap of the roller (32). The trigger handle (12) when compressed increments the roller (32) through the aperture (26) expelling the paint (33) and wringing the roller nap (32).
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: May 14, 1996
    Inventor: Don L. Washburn