ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,531, issued on Aug. 5, was assigned to Rocket Innovations Inc. (Boston).

"Writing surface boundary markers for computer vision" was invented by Joseph Lemay (Marblehead, Mass.) and Jacob Epstein (Concord, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for capturing, organizing, and storing handwritten notes includes a plurality of boundary markers. The boundary markers are configured to be positioned on a writing surface. The system also includes a tangible non-transitory computer readable medium encoded with instructions which, when run on a camera-equipped computing device, causes the camera-equipped computing device to execute proce...