ALEXANDRIA, Va., May 19 -- United States Patent no. 12,628,736, issued on May 19, was assigned to HUSQVARNA AB (Huskvarna, Sweden).

"Skid plate" was invented by Martin Elonsson (Huskvarna, Sweden), Ronny Olsen (Nassjo, Sweden), Svante Larsson (Eksjo, Sweden), Peter Ahlin (Jonkoping, Sweden) and Markus Petersson (Jonkoping, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A skid plate for a robotic lawnmower, comprises an approximately circular plate with a central opening (13), for a hub (6b), and means of attachment (14, 15). The skid plate (2b) is attachable to the robotic lawnmower. An edge portion (7) of the circular plate is bent to extend transversally to a main plane (8) of the circular plate. An...