ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,827, issued on March 18.

"Exoskeleton and master" was invented by Marcel Reese (Bielefeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the improvement of exoskeletons and masters thereof and to their use in teleoperative applications in virtual worlds or the real world. Non-actuated exoskeletons can be used to transfer loads from the user, for example, heavy luggage, tools or also the body weight of the user, to the ground and to relieve the joint and muscle system of the user. This can increase the endurance and also effective strength of the user. Motor-driven, actuated exoskeletons can be used in different fie...