ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,783, issued on May 20, was assigned to Andreas Stihl AG & Co. KG (Waiblingen, Germany).
"Autonomous mobile green-area treatment robot" was invented by Simon Baumann (Rosenheim, Germany), Markus Gassner (Koessen, Austria), Clemens Gottinger (Kufstein, Austria) and Georg Duregger (Niederndorf, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "An autonomous mobile green-area treatment robot has a treatment tool, a protection device, and a height-adjustment device. A tool height of the treatment tool is adjustable. The protection device is configured to protect against access into the treatment tool. A protection height of the protection device is ...