Patents by Inventor David Louis Jaggli

David Louis Jaggli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9810018
    Abstract: An elastic cord device for use in combination with a window covering device of the type comprising a pulley, a plurality of lift cords, a head rail, the lift cords used to raise and lower a window covering material. The elastic cord device can have a spiral helical shape. The elastic cord device is exposed and accessible so that the elastic cord device can be pulled to raise and lower the window covering material. A window covering device comprising an elastic cord device, a head rail, a pulley, window covering material and lift cords; the elastic cord device is used to operate the window covering.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: November 7, 2017
    Inventor: David Louis Jaggli
  • Patent number: 9366079
    Abstract: An elastic cord device for use in cooperation with a window covering device of the type having a plurality of pulleys, a plurality of housings, a plurality of lift cords extending from a head rail, the lift cords used to raise and lower a window covering material. The elastic cord device has a spiral helical shape. The elastic cord device has a first end and a second end. The first end of the elastic cord device attaching to the lift cords of the window covering device. The second end of the elastic cord device is exposed and is accessible so that the elastic cord device can be pulled to raise and lower the window covering material. A window covering device of the type having an elastic cord device, the elastic cord device attaching to the free ends of the lift cords of the window covering device.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: June 14, 2016
    Inventor: David Louis Jaggli
  • Patent number: 8931539
    Abstract: An elastic cord device for use in cooperation with a window covering device of the type having a plurality of pulleys, a plurality of housings, a plurality of lift cords extending from a head rail, the lift cords used to raise and lower a window covering material. The elastic cord device has a spiral helical shape. The elastic cord device has a first end and a second end. The first end of the elastic cord device attaching to the lift cords of the window covering device. The second end of the elastic cord device is exposed and is accessible so that the elastic cord device can be pulled to raise and lower the window covering material. A window covering device of the type having an elastic cord device, the elastic cord device attaching to the free ends of the lift cords of the window covering device.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: January 13, 2015
    Inventor: David Louis Jaggli