Patents by Inventor Dirk Mainhardt

Dirk Mainhardt 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).

  • Indicator device
    Patent number: D478582
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: August 19, 2003
    Assignee: Rittal Rudolf Loh GmbH & Co. KG
    Inventors: Michael Becker, Dirk Mainhardt
  • Terminal stand
    Patent number: D480731
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: October 14, 2003
    Assignee: Rittal GmbH & Co. KG
    Inventors: Michael Becker, Dirk Mainhardt
  • Terminal stand
    Patent number: D483379
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: December 9, 2003
    Assignee: Rittal GmbH & Co. KG
    Inventors: Michael Becker, Dirk Mainhardt