Automatic electric vacuum cleaner with temporary manual override

  • US 4,942,640 A
  • Filed: 12/01/1988
  • Issued: 07/24/1990
  • Est. Priority Date: 04/02/1987
  • ×

    Create Patent Alert


    *Certain alert events are not available for your current subscription level. Upgrade
  • Save
    ×



    ×

    Thank you for your feedback

    ×
    ×