Patents Examined by Yi Ze
  • Maintaining invalidation information
    Patent number: 9749190
    Abstract: A computer-implemented method is operable on a device having hardware including memory and at least one processor. The method includes maintaining invalidation information in a list at a service on the device, where the invalidation information includes a plurality of invalidation commands. At least some of the invalidation commands in the list are selectively combined to form at least one other invalidation command in the list.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 29, 2017
    Assignee: LEVEL 3 COMMUNICATIONS, LLC
    Inventors: Christopher Newton, Lewis Robert Varney, Laurence R. Lipstone, William Crowder, Andrew Swart