Patents by Inventor Gilbert L. Dunn, Jr.

Gilbert L. Dunn, Jr. 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 gripping attachment
    Patent number: 4932832
    Abstract: An auxiliary device to be mounted on a backhoe to allow gripping and lifting of objects. The device requires no additional power or operation control devices to function. The device is comprised of an opposing structure, along with appropriate linkages, which along with the bucket on the equipment is used as a gripping, crushing, or holding device.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: June 12, 1990
    Inventors: Thomas A. McCasland, Gilbert L. Dunn, Jr.