ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,897, issued on July 15, was assigned to Strictly FX LLC (Nashville, Tenn.).

"Pyrotechnic launch units and systems" was invented by Ciro Scotto d'Antuono (Levittown, Pa.) and Justin D. Seedle (Hermitage, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular pyrotechnic launch unit includes a launch module, a first module, and a second module. The launch module includes a launch barrel. The first module is coupled in series to the launch module. The first module includes a first ignition state in which the first module ignites a pyrotechnic element that will then pass through the launch barrel. The first module also includes a first pass-thro...