ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,422, issued on Jan. 20, was assigned to Greenman Gaming Ltd. (London).
"Digital key distribution mechanism" was invented by Lee Packham (London), Krzysztof Bandurski (London), James Phillips (Basingstoke, Great Britain) and Daniel Smedley (Thames Ditton, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for distributing digital keys. The method includes the steps of a first database storing a plurality of keys relating to a plurality of products; for each product, transferring keys from the first database to a corresponding cache in a second database; in response to a request for a key for a produ...