Patents by Inventor Stephen M. Reeve

Stephen M. Reeve 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).

  • Shared two level cache including apparatus for maintaining storage consistency
    Patent number: 5276848
    Abstract: A multilevel cache buffer for a multiprocessor system in which each processor has a level one cache storage unit which interfaces with a level two cache unit and main storage unit shared by all processors. The multiprocessors share the level two cache according to a priority algorithm. When data in the level two cache is updated, corresponding data in level one caches is invalidated until it is updated.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: January 4, 1994
    Assignee: International Business Machines Corporation
    Inventors: Patrick W. Gallagher, Steven L. Gregor, Stephen M. Reeve