ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,397, issued on Oct. 6, was assigned to Axxiom Manufacturing Inc. (Fresno, Texas).

"Methods and systems for abrasive blasting" was invented by Phuong Taylor Nguyen (Richmond, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic-controlled abrasive blasting system that includes a blast hose; and a deadman assembly coupled with the blast hose. The deadman assembly has a primary deadman valve; and a secondary deadman valve. There is an air source configured for fluid communication with each of the primary and secondary deadman valves and the blast hose. There is a regulator valve disposed between the deadman assembly and the air source. The r...