Patents by Inventor Christopher J. Krei

Christopher J. Krei 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).

  • Lateral File Locking System
    Patent number: 6186606
    Abstract: A locking system for a file cabinet which prevents opening of more than one drawer of the cabinet. The locking system includes a camming system which blocks opening of any secondary drawers after a first drawer has been opened. A rotatable cam having a hook mounts to an individual lock lever. The hook engages an opening in the file drawer or door to prevent retraction while also blocking the interlocking mechanism for the file drawers.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: February 13, 2001
    Assignee: The Marvel Group, Inc.
    Inventor: Christopher J. Krei