Patents Assigned to Privacom B.V.
  • Call back method
    Patent number: 6819753
    Abstract: Communication system comprising one or more exchanges and a number of terminals (telephone sets, facsimile apparatuses, etc.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: November 16, 2004
    Assignee: Privacom B.V.
    Inventor: Bartel Johannes Verkruijssen