Patents by Inventor Fredrick R. Feretto

Fredrick R. Feretto 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).

  • Circular waterbed
    Patent number: 4067077
    Abstract: A self supporting circular waterbed comprising a circular inflatable bag installed within a soft endless flexible band. Pressure from within the inflated bag against the soft flexible band, stiffens and rigidifies the band which then functions as a conventional type frame with added advantages.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: January 10, 1978
    Inventor: Fredrick R. Feretto