ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,534, issued on Dec. 30, was assigned to Greene Tweed Technologies Inc. (Wilmington, Del.) and University of Massachusetts (Boston).

"Articles formed from fluorine-containing elastomer compositions using an additive manufacturing method and additive manufacturing methods for thermoset elastomer compositions" was invented by Mookkan Periyasamy (Wilmington, Del.), Ronald R. Campbell (Harleysville, Pa.), Elizabeth Sassano (West Chester, Pa.), Joey Mead (Boston), David Kazmer (Boston), ShibShankar Banerjee (Boston), Stephen Burbine (Boston), Erin E. Keaney (Boston) and Leeda Phaen (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus suitab...