Patents by Inventor George Anastasiou

George Anastasiou 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).

  • Re-enforcer plate with different patterns of threaded holes for locks
    Patent number: 5029460
    Abstract: A guard for a door lock and cylinder is provided and consists of a face plate to cover and protect the cylinder while allowing a key to be inserted within the cylinder to operate the lock. The face plate prevents the lock from being separated from the door and is designed to receive bolts from typically four basic kinds of door locks so as to be a universal type of protector for the four locks.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: July 9, 1991
    Inventor: George Anastasiou