ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,850, issued on March 18.
"Tooling guide for a mortise and tenon joint" was invented by Yu-Chun Liu (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mortise and tenon joint tooling guide includes a base seat, two templates, an adjusting plate and a clamping structure. The base seat has a platform and an opening through the platform. Each of the templates can be arranged on the platform at intervals in a movable form. Each of the templates is formed with a guiding edge on one side. The guiding edges face each other and are used to guide the machining tool going through the opening to process a workpiece to form a mortise or tenon. T...