Patents by Inventor William John Keenan

William John Keenan 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).

  • Patent number: 5940867
    Abstract: A memory management system and method of managing a memory system are disclosed. The memory management system includes a plurality of physical storage media and a memory manager for generating virtual storage devices or "stores," with one or more first storage devices each having a corresponding first mapping plug-in, or device driver, associated with the plurality of physical storage media. Each first device driver scans its corresponding first storage device to determine its partitioning format and generates one or more second virtual storage devices from a partition map stored in the partitioning plug-in, or partition manager, associated with the corresponding first storage device, each second virtual storage device having one or more second partitioning formats, a second partition manager and second device driver. The first and second partition managers are independent of the first and second device drivers.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: August 17, 1999
    Assignee: Apple Computer, Inc.
    Inventors: David Lee Smith, William John Keenan, Steven James Szymanski