ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,309, issued on Aug. 25, was assigned to IMDEX TECHNOLOGIES PTY LTD (Balcatta, Australia).

"Devices for marking a core sample" was invented by Nicholas Coplin (Balcatta, Australia), Andrew March (Balcatta, Australia), Neil Anthony Morrish (Balcatta, Australia), James Barry Reilly (Balcatta, Australia), Jacob Petersen (Balcatta, Australia), Mark Gabbitus (Balcatta, Australia), Nicholas Payne (Wembley Downs, Australia), Pauline Newlove (Wembley Downs, Australia), David Pritchard (Northcote, Australia), Aaron Huy Nguyen (Keilor, Australia) and Brendyn Rodgers (Blackburn, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Device (10) for guiding a ...