ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,460, issued on Aug. 5, was assigned to The Boeing Co. (Arlington, Va.).
"System and method for investment casting an object" was invented by Daniel J. Braley (O'Fallon, Mo.), Elaine MacDonald (Wildwood, Mo.) and Andrew Pfeiffer (Lake St. Louis, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making an object through investment casting includes additively manufacturing a mold for the object with a printing head on a carriage supported by a frame with the mold being additively manufactured from multiple layers on a build platform supported by the frame. An interior surface of the mold is machined with a machining device on the carriage a...