ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,709, issued on Oct. 7, was assigned to Accion Systems Inc. (Boston).

"Electrospray emission apparatus" was invented by Adam Zachar (Boston), Christy Petruczok (Boston), William Maulbetsch (Boston), Kellen Blake (Boston), Carlee Schmidt (Boston), Dakota Freeman (Boston), Bradley Kaanta (Boston) and Louis Perna (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrospray emitter can include an emitter structure connected to a reservoir containing a working material in electrical communication with a first electrode and an electrode separated from an apex of the emitter structure by a distance, wherein a surface of the grid electrode proximal ...