Patents Assigned to SDX Business Systems Limited
  • Telephone apparatus
    Patent number: D361331
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: August 15, 1995
    Assignee: SDX Business Systems Limited
    Inventor: Keith R. Bryant
  • Telephone apparatus
    Patent number: D361765
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: August 29, 1995
    Assignee: SDX Business Systems Limited
    Inventor: Keith R. Bryant
  • Telephone apparatus
    Patent number: D362000
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: September 5, 1995
    Assignee: SDX Business Systems Limited
    Inventor: Keith R. Bryant