Patents Assigned to Dr. Friedrichs Gruppe Produktions-und Vertriebs GmbH
  • Weather station
    Patent number: D446133
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: August 7, 2001
    Assignee: Dr. Friedrichs Gruppe Produktions-und Vertriebs GmbH
    Inventors: Arvid Friedrichs, Ingvart Friedrichs
  • Window thermometer having a cylindrical body and cone-like top
    Patent number: D409925
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: May 18, 1999
    Assignee: Dr. Friedrichs Gruppe Produktions- und Vertriebs GmbH
    Inventor: Arvid Friedrichs