Patents by Inventor H. Peter Nennhaus

H. Peter Nennhaus 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).

  • Inflatable leg and foot supporting cushion with removable padding
    Patent number: 5173979
    Abstract: An inflatable cushion apparatus for maintaining a person's lower leg, ankle and foot, in an elevated and substantially horizontal position relative to the person's head and upper body. The inflatable cushion apparatus includes an angled front wall for supporting a person's upper leg in an inclined position. A top wall is provided which extends horizontally when the apparatus is inflated. A valve is provided to facilitate filling of the cushion apparatus.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: December 29, 1992
    Inventor: H. Peter Nennhaus