ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,259, issued on April 29, was assigned to TRETE Inc. (Prosper, Texas).

"Transaction flow with master account ledger and escrow ledger interaction" was invented by Damien Patton (Plano, Texas) and Christian Gratton (Eaton Rapids, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for completing a sale of digital shares representing an interest in an asset in an exchange, wherein the exchange comprising a transfer agent, includes registering, by the transfer agent, a user on an exchange; presenting to the user, by the transfer agent an interface allowing the user to select an interest in an asset to sell; communicating, by the tran...