Patents by Inventor Richard A. Havenar

Richard A. Havenar 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).

  • Tree stand for hunters
    Patent number: D270474
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: September 6, 1983
    Assignee: The Coleman Company, Inc.
    Inventors: Gerald L. Haines, Richard A. Havenar, Ralph H. Herolzer