Patents Assigned to Electronic Services, Ltd.
  • Blower device for sweeping
    Patent number: 4237576
    Abstract: A blower device is disclosed for sweeping light debris and clutter. The device includes a pressurized air supply source in communication with a receptacle. A standing head of pressure is developed in the receptacle and then discharged through a nozzle in a jet of air at a substantially constant pressure.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 9, 1980
    Assignee: Electronic Services, Ltd.
    Inventor: Charles W. Stakes