Patents by Inventor Anthony D. Cross

Anthony D. Cross 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).

  • Position identification system
    Patent number: 5221925
    Abstract: A position identification and navigation system comprising an active transceiver unit for transmitting a request signal, and a network of passive units for transmitting digital location information back to the active unit in response to the request signal. The active unit receives the information signals and displays the location information to assist in position identification, navigation and tracking.
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: June 22, 1993
    Inventor: Anthony D. Cross