ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,998, issued on Sept. 29, was assigned to Analog Devices International UnLtd. Co. (Limerick, Ireland).

"Apparatuses and methods for implementing digital ledgers via phase change materials" was invented by Alan O'Donnell (Castletroy, Ireland), Gavin Cosgrave (Enniscorthy, Ireland), Michael J. Clifford (Dublin), Michael P. Lynch (Bruff, Ireland), Jochen Schmitt (Biedenkopf, Germany), Jan Kubik (Limerick, Ireland), Javier Calpe (Valencia, Spain), Shaun Stephen Bradley (Patrickswell, Ireland), Stanislav Jolondcovschi (Carlow, Ireland), Padraig L. Fitzgerald (Mallow, Ireland) and Alfonso Berduque (Crusheen, Ireland).

According to the abstract* released by the U.S. Patent & Trademark O...