ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,542, issued on May 20, was assigned to American Airlines Inc. (Fort Worth, Texas).

"Fare classes based on an unconstrained demand forecast" was invented by Jonathan Tracy (Tempe, Ariz.), James Fox (Tempe, Ariz.), Julianne Bowles (Tempe, Ariz.), Michael Costello (Tempe, Ariz.), Daniel Muzich (Phoenix) and Thomas Trenga (Mesa, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-based system for unobscuring and/or unconstraining demand is disclosed. Via use of the system, actual airline seat bookings may be restated in an unobscured and/or unconstrained form, facilitating improved demand forecasts for subsequent seat bookings. In this manne...