Patents Assigned to Appoint
  • Ball-operated control device for electronic circuits
    Patent number: D340696
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: October 26, 1993
    Assignee: Appoint
    Inventor: John B. Barrett
  • Cursor controlling pen
    Patent number: D349490
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: August 9, 1994
    Assignee: Appoint
    Inventor: John B. Barrett
  • Cursor control
    Patent number: D359955
    Type: Grant
    Filed: March 1, 1994
    Date of Patent: July 4, 1995
    Assignee: Appoint, Inc.
    Inventor: John B. Barrett