Patents by Inventor Frank Correnti

Frank Correnti 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: 4872715
    Abstract: A pair of sliding doors is secured against intrusion by angles that fix the closed doors to a frame and by intermeshing plates that fix the centers of the doors together. The angles and plates terminate in intermeshing tubular portions that are locked together by means of vertical pins.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: October 10, 1989
    Inventor: Frank Correnti
  • Patent number: 4815774
    Abstract: A simple dead bolt is mounted inside sleeves which are aligned between a door and its door jam. One end of the dead bolt has a latch key projecting inside the room. The latch key can be mounted either on the door or in the wall. Sliding the latch key closed securely and rapidly locks the door from the inside.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: March 28, 1989
    Inventor: Frank Correnti
  • Patent number: 4629229
    Abstract: A lock device for use on the doorknob of a vertically hinged door. The lock device includes a flexible cable with opposite legs connected at one end to form a loop for insertion over the doorknob and a sleeve on the loop of the cable which extends around the reduced neck of the doorknob behind the head of the doorknob. The opposite end of the cable is retained in a box in the building wall next to the door jamb.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: December 16, 1986
    Inventors: Frank Correnti, Thomas Dell 'Acqua