ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,723, issued on June 10, was assigned to U.S. Army as Represented by the Secretary of the Army (Washington).

"Nose-only inhalation exposure plethysmograph for rabbits" was invented by Michael S Horsmon (Joppa, Md.) and Dennis B Miller (Rising Sun, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plethysmography apparatus for a rabbit includes a head portion, a neck restraint, and a body portion. The head portion includes a wall, a head cone configured to receive a head of a rabbit and accommodate nose-only inhalation, and a foot box configured to receive a front foot of the rabbit. The neck restraint includes a yoke defining an opening configured...