TREA

Oliver Berthold

Follow

Person

  • Frankfurt am Main, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Smoke detector
    • Patent number D485200
    • Issue date Jan 13, 2004
    • esser-effeff alarm GmbH
    • Oliver Berthold
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Manual call point
    • Patent number D478325
    • Issue date Aug 12, 2003
    • esser-effeff alarm GmbH
    • Oliver Berthold
    • D14 - Recording, communication, or information retrieval equipment