Patents by Inventor Larry A. Duncan

Larry A. Duncan 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).

  • Trimming attachment for a lawn mower etc.
    Patent number: 4896488
    Abstract: A grass trimming attachment for a power lawn mower is provided that is mounted to extend from one side of the lawn mower and driven by the engine. The attachment can be pivoted upwardly and held against the lawn mower out of its normal operating position.
    Type: Grant
    Filed: December 29, 1988
    Date of Patent: January 30, 1990
    Inventors: Larry A. Duncan, George Spector