Patents by Inventor Robert M. Cleveland

Robert M. Cleveland 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: 4183494
    Abstract: A leaf-spring supported, free-floating rocker undercarriage for a swivel chair wherein the spring flexural axis corresponds to and the swivel axis intersects with the rocking axis of the chair for support of the same.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: January 15, 1980
    Assignee: Trendler Metal Products, Inc.
    Inventor: Robert M. Cleveland