Patents by Inventor Daniel P. Shaughnessy

Daniel P. Shaughnessy 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).

  • System and method for modifying and operating a computer system to perform date operations on date fields spanning centuries
    Patent number: 5930782
    Abstract: The present invention relates to a method for modifying and operating a computer system to perform date operations including the steps of storing at least one subroutine for performing the date operation, modifying the application program to include a call to at least one of the subroutines, the call operative to pass at least one date field representative of at least two dates to the subroutine which has been called, wherein the subroutine determines which of the at least two dates corresponds to the date field according to a predetermined criteria performs a date operation on the date field, and returns a code to the application program for use by the application program in its further operations.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: July 27, 1999
    Inventor: Daniel P. Shaughnessy
  • System and method for modifying and operating a computer system to perform date operations on date fields spanning centuries
    Patent number: 5630118
    Abstract: The present invention relates to a method for modifying and operating a computer system to perform date operations including the steps of storing at least one subroutine for performing the date operation, modifying the application program to include a call to at least one of the subroutines, the call operative to pass at least one date field representative of at least two dates to the subroutine which has been called, wherein the subroutine determines which of the at least two dates corresponds to the date field according to a predetermined criteria performs a date operation on the date field, and returns a code to the application program for use by the application program in its further operations.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: May 13, 1997
    Assignee: 2000, Inc.
    Inventor: Daniel P. Shaughnessy