Patents by Inventor Dan Ludwig

Dan Ludwig 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).

  • Carpet located and retaining system
    Patent number: 6347431
    Abstract: A carpet locating and retaining system for a vehicle and a method of using the same having a head portion and a body portion. The device further includes retaining means for retaining the device within an aperture formed in the vehicle and fastener receiving means for receiving a fastener therein. The device eliminates the need for a separate locator for the carpet and a retaining system for a cover plate.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: February 19, 2002
    Assignee: DaimlerChrysler Corporation
    Inventors: Mark E. Gratowski, Dan Ludwig, Geoff Davies, Joe Dansbury
  • Carpet locator and retaining system
    Patent number: 6131241
    Abstract: A carpet locating and retaining system for a vehicle and a method of using the same having a head portion and a body portion. The device further includes retaining means for retaining the device within an aperture formed in the vehicle and fastener receiving means for receiving a fastener therein. The device eliminates the need for a separate locator for the carpet and a retaining system for a cover plate.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 17, 2000
    Assignee: DaimlerChrysler Corporation
    Inventors: Mark E. Gratowski, Dan Ludwig, Geoff Davies, Joe Dansbury