Patents by Inventor Willi Fritschi

Willi Fritschi 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: 4144604
    Abstract: Lateral bottoms for headrests, for seat cushions in motor vehicles or the like, in which the lateral bottoms consist of textile material or plastic material and are enclosed on the outside by a cording; the cording itself is made as an endless plastic injection-molded ring provided along the outside with weldable tabs or flaps which are welded together with the bottom with the aid of a correspondingly constructed high-frequency welding machine.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: March 20, 1979
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventor: Willi Fritschi