ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,749, issued on July 14, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Easy access via a partial lateral opening system" was invented by Luc Gaffet (Sassenage, France) and Olivier Guia (Sassenage, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Refrigeration system comprising: a first cryogenic chamber defined by at least a first wall, the first cryogenic chamber being thermally connected to at least a first cold source; a second cryogenic chamber defined by at least a second wall which extends at least partially facing the first wall, the second chamber being contained inside...