Patents by Inventor John P. Shewchulk

John P. Shewchulk 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).

  • End-to-end reliable messaging with complete acknowledgement
    Patent number: 7185209
    Abstract: Reliable end-to-end messaging in which tracking and acknowledgement information are contained in the electronic message that is visible to layers above the transport layer, thereby being independent of what transport protocols, and whether different transport protocols, are used to communicate between the two end points. Furthermore, acknowledgment messages may identify multiple ranges of sequence numbers corresponding to received electronic messages, thereby permitting further flexibility and completeness in acknowledging received messages.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: February 27, 2007
    Assignee: Microsoft Corporation
    Inventors: David E. Langworthy, Christopher G. Kaler, Luis Felipe Cabrera, Patrick J. Helland, Steven E. Lucco, John P. Shewchulk