Patents by Inventor Ruth Aey

Ruth Aey 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).

  • Cigarette pack made from plastic film
    Patent number: 5996784
    Abstract: A cigarette pack is described which is made from a thermoplastic film. In addition, an opening device for opening cigarette film packs made from thermoplastics and a process for the production of an opening device are described.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: December 7, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus Thoeren, Horst Kromer, Ruth Aey