ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,051, issued on Sept. 2, was assigned to STEM S.R.L. (Medesano, Italy).
"Stretcher" was invented by Ezio Menna (Collecchio, Italy) and Michele Corradi (Parma, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stretcher including a support frame for supporting a patient, front legs and rear legs rotatably coupled to the support frame around a respective first and second rotation axis. Each front and rear leg supports respectively a front wheel holder frame hinged to the respective front leg around a first oscillation axis parallel to the first rotation axis and supporting a front wheel resting on a rest plane and a rear wheel holder frame hinged ...