Patents by Inventor John G. Pecis

John G. Pecis 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).

  • Security door hinge system with locking elements
    Patent number: 4704767
    Abstract: An improved security door hinging system, wherein the door hinge comprises locking elements in the shape of circular posts on each hinge leaf. Lock engaging means in the form of apertures are located on the door and the door frame to engage the locking elements of the hinge. The locking elements and the lock engaging means cooperate when the door is in the closed position to secure the door to the door frame in the event the conventional mounting screws become inoperable, as when excessive force is applied to the door hinge area.
    Type: Grant
    Filed: January 9, 1986
    Date of Patent: November 10, 1987
    Assignee: Folger Adam Company
    Inventors: Robert J. Carter, John G. Pecis