ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,674, issued on March 31.

"Cryogenic cooler" was invented by Daniel A. Nemeth (Southbury, Conn.) and Lee L. Nemeth (Oxford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a cryogenic cooler that may include a cold finger coupled to a cooling source, an insulating vessel having an inner wall, an outer wall and an interior area formed within the inner wall, where the cold finger may be positioned at least partially within the interior area. The cryogenic cooler may also have a fitting positioned on the outer wall and configured for coupling to a gas source, and a passageway formed between the coupling and the...