ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,394, issued on Sept. 1.

"Ligature mitigation drain" was invented by Mark Ciepluch (Muskego, Wis.), Michelle Kartman (Middleton, Wis.) and Lucas Boesel (Muskego, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ligature mitigation drain apparatus and method is disclosed which comprises an outer ring, an inner ring, and a termination ring. The outer ring surrounds the inner ring, and the inner ring surrounds the termination ring. The outer ring further comprises at least two extensions extending toward and touching the inside ring and the inner ring further comprises at least two extensions extending toward and touching the termination ring."

Th...