Patents by Inventor Toan D. Dang

Toan D. Dang 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).

  • Data transfer system using two peripheral controllers to access dual-ported data storage units
    Patent number: 4747047
    Abstract: A data transfer network includes a group of disk drive peripheral units, each has dual ports for connection to two separate peripheral-controllers. A host computer can initiate either peripheral-controller to access selected disk drive units for Read/Write operations.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: May 24, 1988
    Assignee: Unisys Corporation
    Inventors: Ronald S. Coogan, Toan D. Dang