Patents Assigned to esser-effeff alarm GmbH
  • Manual call point
    Patent number: D478325
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: August 12, 2003
    Assignee: esser-effeff alarm GmbH
    Inventors: Oliver Berthold, Martin Mengler, Thomas Goulet, Waldemar Ollik, Klaus Schnitzler
  • Smoke detector
    Patent number: D485200
    Type: Grant
    Filed: January 3, 2003
    Date of Patent: January 13, 2004
    Assignee: Esser-effeff Alarm GmbH
    Inventors: Oliver Berthold, Martin Mengler, Tido Krippendorf, Waldemar Ollik, Heiner Politze, Gerd Reininghaus