Patents by Inventor Ursula Frohlich-Rossler

Ursula Frohlich-Rossler 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: 5888621
    Abstract: The invention describes a web-like element (2;3) comprising an upper layer (5; 7) and a lower layer (6; 8) or an intermediate layer which are held apart from one another vertically by longitudinal ribs. At least the upper layer (5; 7) is formed from several strip-like webs (16-19; 20-24) with a rectangular cross section which run parallel to one another on the longitudinal ribs and lie with their flat sides in a common plane. The strip-like webs (16-19; 20-24) are arranged at right angles to the longitudinal axis or the longitudinal ribs and/or in longitudinal direction with equal spacing (14).
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: March 30, 1999
    Inventors: Wolfgang Frohlich, Ursula Frohlich-Rossler