Patents Assigned to Mind Quirx, LLC
  • Patent number: 6054923
    Abstract: An anti-theft shopping cart with a collapsible front suspension that is triggered by a magnetic field or an audio frequency.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: April 25, 2000
    Assignee: Mind Quirx, LLC
    Inventors: James G. Prather, Patrick Maandag, Harold Duffy