Patents Assigned to Schrauben Betzer GmbH & Co. KG
  • Patent number: 6843628
    Abstract: The invention relates to a fixing device, such as a screw (1) a plain washer, a nut or a rivet, with an information memory that can be read from the exterior. The information memory (4) is machine readable. According to the invention, the information memory contains optically readable information.
    Type: Grant
    Filed: April 8, 2000
    Date of Patent: January 18, 2005
    Assignee: Schrauben Betzer GmbH & Co. KG
    Inventors: Frank Hoffmeister, Martin Kemper