ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,831, issued on Dec. 23, was assigned to Seurat Technologies Inc. (Wilmington, Mass.).
"Chamber systems for additive manufacturing" was invented by James A. DeMuth (Woburn, Mass.), Erik Toomre (Los Altos, Calif.), Francis L. Leard (Sudbury, Mass.), Kourosh Kamshad (Hudson, N.H.), Heiner Fees (Bietigheim-Bissingen, Germany) and Eugene Berdichevsky (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of additive manufacture is disclosed. The method may include creating, by a 3D printer contained within an enclosure, a part having a weight greater than or equal to 2,000 kilograms. A gas management system may maintain gaseous oxygen w...