ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,102, issued on Feb. 10, was assigned to TravelSky Technology Ltd. (Beijing).

"Port departure service processing method, apparatus and system" was invented by Zhijun Zhao (Beijing), Ming Zhang (Beijing), Songyang Zhang (Beijing), Wenhui Wang (Beijing) and Yue Yu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A port departure service processing method, apparatus and system. The method includes: determining the current master control system for executing a port departure service; during the process of executing the port departure service, if an error is detected in operating data of the current master control system, switching the unfinished p...