ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,348, issued on May 19, was assigned to Vireo Systems Inc. (Madison, Tenn.).

"Method and composition for treating osteoarthritis" was invented by Mark C. Faulkner (Madison, Tenn.), Donald W. Miller (Winnipeg, Canada) and Gary Crawford (Winnipeg, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and composition for treating osteoarthritis including administering an anti-inflammatory agent to a patient, wherein the anti-inflammatory agent is ethyl (Alpha-guanido-methyl) ethanoate. Ethyl (Alpha-guanido-methyl) ethanoate provides a safe, non-toxic anti-inflammatory treatment for osteoarthritis."

The patent was filed on Jan. 24, 2022, under A...