ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,381, issued on Jan. 13.

"Miniaturized green end-burning hybrid propulsion system for cubesats" was invented by Tyson Smith (Logan, Utah), Zachary Lewis (Logan, Utah), Kurt Olsen (Logan, Utah), Marc Anthony Bulcher (Fort Worth, Texas) and Stephen Whitmore (Logan, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid propulsion system includes a housing, at least two electrodes, a solid-grain fuel material, a combustion chamber, an oxidizer port, and a nozzle. The housing has a first end and a second end and defines a cavity. The electrodes extend into the cavity. The fuel material is free of an oxidizer and is positioned in the cavity. The fue...