ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,343, issued on July 14, was assigned to ASSA ABLOY Ltd. (Willenhall, Great Britain).

"Transferring responsibility of a physical key from a transferer to a transferee" was invented by John Bishop (Concord, N.C.), Monica Holman (Bedford, Great Britain) and Duncan Winner (Olney, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "It is provided method of transferring responsibility of a physical key (3) from a transferer (5a) to a transferee (5b). The method is performed by a transferee device (2b), being a user device (2b) of the transferee (5b). The method comprises: establishing (40) a local communication channel (4) with a user device (2a)...