Patents by Inventor Robert M. Ferro

Robert M. Ferro 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: 4945587
    Abstract: An air chair is provided and consists of a rectangular shaped air mattress secured to an adjustable backrest so that the adjustable backrest may be positioned upon beach sand to adjust the air mattress in various reclined positions in which a person may sit upon the air mattress and lean comfortably against the portion of the air mattress on the backrest.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: August 7, 1990
    Inventor: Robert M. Ferro