Patents by Inventor Brian L Mattfield

Brian L Mattfield 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).

  • Electrically heated paint scraper heated by heater within the blade or by heated air
    Patent number: 6822197
    Abstract: A paint scraper is provided, with the blade being heated by electrical heating elements within the blade, or in other embodiments, by heated air being discharge from the handle onto the blade. A variety of different blade designs are described. The scraper consists of a hand held unit into which the blade is plugged. A dial is provided on the unit to set the temperature of the blade.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: November 23, 2004
    Inventor: Brian L Mattfield