Patents by Inventor Rich Freeman

Rich Freeman 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).

  • Device for coupling to other devices and unique identification thereof
    Patent number: 7434701
    Abstract: A device for coupling to other devices and unique identification thereof may include a body and a coupler. The coupler may be disposed on the body and may be operable to couple to a coupler of another device. The device may include a test circuit and a processor for recognizing other devices. The processor may be operable to determine the presence of a particular device within a chain of devices by controlling the inputs of the test circuit and monitoring the outputs of the test circuit. The device may include a circuit element for uniquely identifying the device when the device is coupled to one or more of the other devices.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: October 14, 2008
    Assignee: LeapFrog Enterprises, Inc.
    Inventors: Rich Freeman, John Caldwell, David Wilson, Robert Mitchell