ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,510, issued on May 26, was assigned to Open Law Library (Washington).

"Legislative code versioning system" was invented by David Jonathon Greisen (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "A legislative code versioning system that overcomes various technical deficiencies is described herein. For example, the system can allow users to see which specific updates to a printable copy of a legislative code have occurred since the creation of that printable copy. A computer-readable address that, when read by a computing device, links the computing device to a digital version of the printable copy may be embedded into the publication. The d...