Patents by Inventor Kirk Lignell

Kirk Lignell 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).

  • Door knob cover
    Patent number: 7661734
    Abstract: An apparatus to prevent actuation of a locking mechanism integrated in a door knob is provided. The apparatus includes a door knob cover and a cap portion. The door knob cover is configured to engage the door knob during actuation of the door knob. The cap portion is supported by the door knob cover and configured to prevent the locking mechanism from actuating.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: February 16, 2010
    Inventor: Kirk Lignell
  • Door knob cover
    Publication number: 20060202484
    Abstract: An apparatus to prevent actuation of a locking mechanism integrated in a door knob is provided. The apparatus includes a door knob cover and a cap portion. The door knob cover is configured to engage the door knob during actuation of the door knob. The cap portion is supported by the door knob cover and configured to prevent the locking mechanism from actuating.
    Type: Application
    Filed: March 10, 2006
    Publication date: September 14, 2006
    Inventor: Kirk Lignell