ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,809, issued on May 20, was assigned to ARMTROL LICENSING INC. (West Warwick, R.I.).

"Composite tank" was invented by Christopher Kampf (Moosup, Conn.), Jeffrey Neto (Cumberland, R.I.), Ken Cerpovicz (Warwick, R.I.), Jody McKinley (Mt. Vernon, Ohio), Alex Spires (Westerville, Ohio) and Nicholas Bolcon (Coventry, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a tank including a polymeric upper dome having a neck with a through passage, a polymeric lower dome having a neck with a through passage, a polymeric shell having a first end connected to the upper dome and a second end connected to the lower dome, and a connection attached to e...