Patents by Inventor Donald A. Pedersen

Donald A. Pedersen 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).

  • Patent number: 5410824
    Abstract: A scraping implement that can be quickly coupled and uncoupled to a conventional self-propelled snowblower for the removal of snow from a driveway or sidewalk. Drop pins releasably hold the frame of the implement to opposite sides of a snowblower housing. The implement has a concave curved plow mounted on a frame for angle adjustments. A bolt extends through a swivel plate and the frame to hold the plow at the selected position. The frame is laterally adjustable to fit different sized snowblowers.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: May 2, 1995
    Inventor: Donald A. Pedersen