Patents by Inventor John R. Lawson, Jr.

John R. Lawson, Jr. 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).

  • Sorter for records having different amounts of data
    Patent number: 5440736
    Abstract: Prior to sorting, the amount of data in each record of a collection of records is normalized to a value chosen from a designated set of values. The designated set of values selected from a progression of numbers computed as an integer power of two. The normalized collection is partitioned into a plurality of sub-sets of records to be sorted in parallel. Sorted sub-sets of records are merged to arrange the records in a predetermined order.
    Type: Grant
    Filed: November 24, 1993
    Date of Patent: August 8, 1995
    Assignee: Digital Equipment Corporation
    Inventor: John R. Lawson, Jr.