Patents Assigned to Planar Support Systems, Inc.
  • Posture support device
    Patent number: 5251957
    Abstract: A posture support device comprising a longitudinally extending rigid planar back support member.
    Type: Grant
    Filed: March 4, 1992
    Date of Patent: October 12, 1993
    Assignee: Planar Support Systems, Inc.
    Inventor: Thomas G. Lemens