Patents by Inventor Leonardo C. Profenna

Leonardo C. Profenna 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).

  • Backhoe frame
    Patent number: 4087009
    Abstract: A mounting structure for detachably connecting a backhoe to the rear of a tractor comprising a unitary frame forming a vertical pivot for the backhoe and having attaching members located at the underside of the tractor to receive connecting elements all of which are disposed in a common horizontal plane and form the sole connection between the vehicle and backhoe.
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: May 2, 1978
    Assignee: Massey-Ferguson Inc.
    Inventors: Leonardo C. Profenna, James L. Campbell