Patents by Inventor Ian B. MacDonald

Ian B. MacDonald 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).

  • Concrete curb cutter
    Patent number: 4357120
    Abstract: A concrete curb cutter includes a motor mounted on a base for supplying power to a concrete cutting blade. A first means is provided for moving the base and the blade along a longitudinal axis of a support. A second means provides adjustment of the vertical height of the blade. A third means enables the vertical angle of the blade to be adjusted. A fourth means provides adjustment of the horizontal angle of the blade.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: November 2, 1982
    Inventor: Ian B. MacDonald