Patents by Inventor Siu L. Ho

Siu L. Ho 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 supports
    Patent number: 4225989
    Abstract: A ripple bed has an upper and a lower inflatable layer. The upper layer has separate air passages which are independently inflatable and deflatable to provide the rippling effect. The lower layer is separately inflatable to provide support over any area of the upper layer which is deflated.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: October 7, 1980
    Assignee: Glynwed Group Services Limited
    Inventors: Aubrey E. Corbett, Siu L. Ho, Ronald J. Clark