Patents by Inventor Charles M. Richardson

Charles M. Richardson 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).

  • Self-bagging device for powered lawn tools
    Patent number: 4233806
    Abstract: Improvements are described in self-bagging devices for collecting lawn clippings. A substantially impermeable disposable lawn bag is mounted underneath a movable frame above and behind the lawn mower or like instrument. The open end of the bag fits around a perforate member secured to the frame. A permeable bag is mounted above the perforate member. A chute connects a port in the housing of the lawn mower to the enclosure defined by the impermeable bag and the perforate member.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: November 18, 1980
    Inventor: Charles M. Richardson