Patents by Inventor Kurt Heinz Frentzel

Kurt Heinz Frentzel 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).

  • Support device for vertical slats of a slatted blind
    Patent number: 4115898
    Abstract: The invention relates to a device for attaching the vertical slats of a slatted blind to another element for support, in which an end of each slat is inserted into a cap like member having inwardly directed suspension lugs which support the slat by engagement in holes through the slat which are spaced from but adjacent to the end edge of the slat.
    Type: Grant
    Filed: March 29, 1977
    Date of Patent: September 26, 1978
    Assignee: Hunter Douglas International N.V.
    Inventor: Kurt Heinz Frentzel
  • Locking mechanism for vertical slat blind
    Patent number: 4114673
    Abstract: The invention relates to a locking mechanism for a vertically slatted blind. The locking mechanism rides in the top rail which also supports the slats. The locking mechanism is operated by flexible tension members.
    Type: Grant
    Filed: March 29, 1977
    Date of Patent: September 19, 1978
    Assignee: Hunter Douglas International N.V.
    Inventors: Hendrik de Wit, Kurt Heinz Frentzel