Patents by Inventor Thomas C Hoffman

Thomas C Hoffman 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).

  • Method and Devices to Reduce Presence Server Traffic
    Publication number: 20140280586
    Abstract: This is a new method to reduce traffic to a presence server as well as modified client and server devices which send and receive messages to support that new method.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 18, 2014
    Inventors: Thomas C Hoffman, Thomas B Hart