Patents by Inventor Donald L. Menchoffer

Donald L. Menchoffer 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: 4156339
    Abstract: A lawn mower bag captures clippings and debris from the output of a lawn mower and may be carried at its rear. The bag includes an inlet adapted to be connected to the output of a rotary lawn mower and a large outlet opening for emptying of its contents. The portion of the bag forming the outlet opening is closed by and carried on the lawn mower through a plurality of hook-like fasteners arranged about the periphery of the outlet opening. The bag is easily fastened to and unfastened from the lawn mower and its contents can be emptied easily and controllably.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: May 29, 1979
    Assignee: Clarke-Gravely Corporation
    Inventors: Ronald K. Dunn, Donald L. Menchoffer, Charles E. Sorenson