Patents Assigned to Usability Systems, Inc.
  • Audio/video console
    Patent number: D360881
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: August 1, 1995
    Assignee: Usability Systems, Inc.
    Inventor: Reed B. Johnson
  • Portable laboratory analyzer
    Patent number: D364467
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: November 21, 1995
    Assignee: Usability Systems, Inc.
    Inventor: Reed B. Johnson