Patents by Inventor Thomas H. Traller

Thomas H. Traller 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: 5014527
    Abstract: A security device to protect a door from forced entry consisting of two brackets, a rigid form and one or more male protrusions. The brackets are securely attached to both sides of a door jamb and secured adjacent and perpendicular to the center line of the keyed lock of the door. The form slides into the brackets, buttressed in place with the male protrusions when the door is closed. An optional embodiment utilizes a plate placed over and blocking access to the locking device of the door.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: May 14, 1991
    Inventors: Thomas H. Traller, Helene S. Lande