Patents Assigned to Teledex
  • Telephone line selector for use with a PBX
    Patent number: 4626627
    Abstract: A device for use with executive and secretarial telephone units associated in a work group, having a programmable microprocessor which selectively controls the connection of incoming telephone lines to the secretarial telephone units and monitors the status of the telephone lines and provides such information to the secretarial telephone units.
    Type: Grant
    Filed: October 7, 1983
    Date of Patent: December 2, 1986
    Assignee: Teledex
    Inventors: Frank L. Van Gilluwe, Samuel B. Dunham, Douglas A. Cross
  • Telephone console
    Patent number: D283507
    Type: Grant
    Filed: November 10, 1983
    Date of Patent: April 22, 1986
    Assignee: Teledex
    Inventor: Frank L. Van Gilluwe