Patents by Inventor Mark L. Chitwood

Mark L. Chitwood 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).

  • Rain gutter downspout noise attenuation apparatus
    Patent number: 5657582
    Abstract: A rain gutter downspout noise attenuation apparatus is provided formed by a section of downspout made of sheet metal, or other suitable material, lined with artificial grass and a fastening screw or clip. The sheet metal, shaped in the form of a 160 degree angle, is designed as such that it easily fits into the base of the downspout, with the curve segment situating in the curve of the elbow.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: August 19, 1997
    Inventor: Mark L. Chitwood