Patents by Inventor Richard A. J. Steadman

Richard A. J. Steadman 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).

  • POS-PHY interface for interconnection of physical layer devices and link layer devices
    Patent number: 6668297
    Abstract: A POS-PHY interface for interfacing between SONET/SDH PHY devices and Link Layer devices, including a 32 bit and an 8-bit point-to-point bus interface having a double-word data format operative to accommodate variable size packets of packet data.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: December 23, 2003
    Assignee: PMC-Sierra, Inc.
    Inventors: Travis J. Karr, Winston Mok, Richard A. J. Steadman, Martin Chalifoux, Larrie S. Carr