Patents by Inventor John E. Calloway

John E. Calloway 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).

  • Method and apparatus for locking a computer device
    Patent number: 8434832
    Abstract: A lock for a computer device comprises a lever operable to be positioned in a locked position and comprising at least one flange, a locking base slidably coupled to a device housing and attached to the lever, and a spring coupled to the locking base and to the device housing and operated upon by the lever, where in the locked position the at least one flange slides in a first corresponding at least one notch formed on the device housing, and where the locking base slides into a corresponding second notch formed on the device housing.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: May 7, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: John E. Calloway, Juan M. Perez, Donald J. Hall
  • Controlling access to ports of an electronic device
    Patent number: 6970351
    Abstract: A port control apparatus for restricting access to ports of an electronic device is disclosed. The port control apparatus comprises a housing constructed to lockingly attach to an exterior surface of the device to form an enclosure that houses the ports. Formed in the housing is at least one aperture each dimensioned to prevent passage of a connector adapted to mate with an associated port while permitting passage of cable bodies integral with any connector mated with an associated port.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: November 29, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Juan M. Perez, John E. Calloway
  • Light fixture with integral reflector and socket shield
    Patent number: 4868727
    Abstract: A lighting fixture is disclosed for accommodating a bulb parallel to its opening and that has a reflector made from a thin metal sheet located behind the bulb. At each socket housing location, the reflector is slit and an arc piece is formed from the released metal segment. The arc piece forms an effective shield over the socket and related components. Thus, the reflector and shield or shields are formable in a single action stamping step by appropriate manufacturing equipment.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: September 19, 1989
    Assignee: Innovative Controls, Inc.
    Inventors: Kevin W. Ponds, John E. Calloway