Patents by Inventor Charles D. Olson

Charles D. Olson 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: 5190363
    Abstract: The invention is directed to a drive wheel for a belted track crawler having circumferentially spaced frictional engagement elements. Adjacent frictional engagement elements define circumferential gaps in the wheel for removing mud and debris from the track wheel interface. Furthermore the frictional engagement elements are detachably mounted to mounting plates on the wheel hub.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: March 2, 1993
    Assignee: Deere & Company
    Inventors: Robert W. Brittain, Charles D. Olson