Patents by Inventor Leslie J. Slunecka

Leslie J. Slunecka 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).

  • Trencher attachment
    Patent number: 4833797
    Abstract: A tractor with a trencher and a blade or shovel on the front of the tractor, the trencher connected to the tractor by a three-point hitch, the trencher having a boom pivotal up and down and a pair of laterally spaced swivel wheels beneath the trencher supported on arms pivoted to the frame and extending rearwardly with the pivotal arms connected to the frame at a location forward of the center of gravity of the trencher.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: May 30, 1989
    Assignee: Du-al Manufacturing Company
    Inventors: Leslie J. Slunecka, Calvin H. Hansen, Leroy B. Stumpe