Patents by Inventor Eric S. Rosenfeld

Eric S. Rosenfeld 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 system of determining last hop device addresses
    Patent number: 7539216
    Abstract: Method and system of determining addressing in a network environment where client devices are serviced by a number of last hop devices. The method and system including determining client device addresses serviced by the last hop devices as a function of last hop device addresses and client address masks associated with each last hop device.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: May 26, 2009
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Kevin C. Johns, Eric S. Rosenfeld, Jean-François Mulé