Patents by Inventor Howard Coffman

Howard Coffman 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).

  • Debris removal device
    Patent number: 7771593
    Abstract: A moss and debris removal device having an elongated member with a top edge and a bottom edge wherein the top edge and bottom edge have teeth. A line is mounted to the elongated member. The elongated member has a plurality of holes. In one embodiment, the teeth of the top edge and bottom edge of the elongated member have a V-shaped cross section.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: August 10, 2010
    Inventors: Howard Coffman, Daniel W. Cunningham
  • DEBRIS REMOVAL DEVICE
    Publication number: 20100012563
    Abstract: A moss and debris removal device having an elongated member with a top edge and a bottom edge wherein the top edge and bottom edge have teeth. A line is mounted to the elongated member. The elongated member has a plurality of holes. In one embodiment, the teeth of the top edge and bottom edge of the elongated member have a V-shaped cross section.
    Type: Application
    Filed: July 15, 2008
    Publication date: January 21, 2010
    Inventors: Howard Coffman, Daniel CUNNINGHAM