Patents by Inventor Richard L. Fortune

Richard L. Fortune 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).

  • Sleep unit having adjustable firmness
    Patent number: 4667357
    Abstract: A sleep unit having inner coil springs is adjustable for firmness by movement of an inner plate or frame having portions which extend between selected turns of the springs.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: May 26, 1987
    Inventor: Richard L. Fortune