ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,481, issued on March 18.

"System and method for managing inventory and distribution of hotel rooms by multiple brokers using an online interface" was invented by Mark Gregorek (Mahwah, N.J.) and Alexandra Gregorek (Mahwah, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An e-commerce based transaction system on a network connected via the Internet to multiple remote computers and mobile phones providing the distribution of hotel room lodging reservations or other lodging sites for location and date of specific events. A central database is hosted on a server and transmitted to individual remote servers or users that can have a respective databa...