Patents by Inventor Thomas Leith

Thomas Leith 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).

  • Portable security lock for doors
    Patent number: 7419197
    Abstract: A door securing apparatus is disclosed for securing a door in a closed position in a door frame. The apparatus includes an anchor member for removably securing to a portion of the door frame, with at least a portion of the anchor member being positionable between the door and the door frame. The apparatus also includes a pressure assembly configured to engage the anchor member and press against the door and the door frame.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: September 2, 2008
    Inventor: Thomas Leith