Patents by Inventor Alfred Kleene

Alfred Kleene 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: D577505
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: September 30, 2008
    Assignee: COR Sitzmoebel Helmut Luebke GmbH & Co. KG
    Inventors: Alfred Kleene, Gabriele Assmann
  • Patent number: D580677
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: November 18, 2008
    Assignee: COR Sitzmoebel Helmut Luebke GmbH & Co. KG
    Inventors: Alfred Kleene, Gabriele Assmann