Patents Assigned to Televault, Inc.
  • Patent number: 4323739
    Abstract: A telephone locking device for preventing unauthorized use of a push-button type telephone includes a shield covering at least one of the dial push-buttons to prevent unauthorized access to that push-button. The shield is held on the telephone by either a push-button gripping device or a strap, and a key is required to release the shield.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: April 6, 1982
    Assignee: Televault, Inc.
    Inventors: Louis Flax, Vincent Brzezinski
  • Patent number: 4304971
    Abstract: A telephone locking device for preventing unauthorized use of a push-button type telephone includes a shield covering at least one of the dial push-buttons to prevent unauthorized access to that push-button. The shield is held on the telephone by a push-button gripping device, and a key is required to release the shield.
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: December 8, 1981
    Assignee: Televault, Inc.
    Inventor: Louis Flax