Patents by Inventor Rene L. Alejandro

Rene L. Alejandro 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).

  • Duplicate record detection
    Patent number: 5680611
    Abstract: A method for detecting duplicate records generates a checksum (222) for each record and compares the generated checksum (222) to checksums stored in check files (30). In a particular application, a system (10) for processing call detail records utilizes a duplicate check module (28) that detects duplicate records using checksum processing.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: October 21, 1997
    Assignee: Electronic Data Systems Corporation
    Inventors: Peter D. Rail, Rene L. Alejandro