Patents by Inventor Marion E. McPherson

Marion E. McPherson 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).

  • Bidirectional field implement
    Patent number: 5505268
    Abstract: An implement for preparing a field includes a ground engaging device that allows the implement to be pushed or pulled on the field. The ground engaging device includes a reversible roller with projections joined to an outer surface thereof to engage the ground. The projections do not extend along the complete length of the roller but rather a portion thereof thereby reducing the power necessary to rotate the roller. The implement includes reversible guards for keeping the disturbed ground in front of the roller.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: April 9, 1996
    Assignee: Glenmac, Inc.
    Inventors: Marion E. McPherson, Michael G. McPherson, Kenneth L. Innocent, Gary A. Parkos, Roger D. Noska