Patents by Inventor Klaus Sprenger

Klaus Sprenger 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).

  • Stirrup for lighting fixture
    Patent number: D571951
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: June 24, 2008
    Assignee: Arnold & Richter Cine Technik GmbH & Co. Betriebs KG
    Inventors: Erwin Melzner, Timo Müller, Klaus Sprenger, Henning Schlorf, Wolfgang Baumgartner, Jürgen Heinlein