Patents by Inventor Stephen Paul Cramer

Stephen Paul Cramer 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).

  • Hinge attachment and associated method of making and assembling a door and door frame
    Patent number: 7127775
    Abstract: An improved door hinge attachment device is provided. The device includes a plate formed separately of the door and door frame that is attached to a door or door frame. The device has elongate threaded bores alignable with screw holes in the hinge plates. The device is useful with metal doors and door frames. The attachment devices have projections on the backside thereof and may be provided with covers to prevent construction material or debris from fouling the threads in the threaded bores.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: October 31, 2006
    Assignee: Sentry Security Fasteners, Inc.
    Inventors: Michael Frank Ferre, Thomas Edward Ferre, Stephen Paul Cramer