Patents by Inventor Ernst Ottiger

Ernst Ottiger 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).

  • Mattress system
    Patent number: 5426799
    Abstract: The invention relates to a generic mattress system which is easily adjustable to differing and space varying stresses with limiting spring paths. It has a top mattress and a bottom mattress with supporting elements connected to a frame and located in the plane of a frame. The elements are in U-shape and bear elastic support elements fastened to crosspieces. The upper mattress can also have spring elements between the upper and lower support, with each spring element having a section of elastic material.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: June 27, 1995
    Assignee: Superba S.A.
    Inventors: Ernst Ottiger, Daniel Gloor