ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,730, issued on Feb. 24.

"Collaborative and independently re-entrant transient order session management" was invented by Charalabos Vergidis (West Chester, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and associated methods relate to a dynamic session management engine (DSME). In an illustrative example, a DSME may include an electronic paper device configured to display a transient token associated with a session identifier (SID). The SID may be associated with a table of a patron party. For example, the electronic paper device may generate a passive display associated with the SID. User devices in a patron party, for example, may e...