ALEXANDRIA, Va., March 12 -- United States Patent no. 12,245,546, issued on March 11, was assigned to SHENZHEN MAMMOTION INNOVATION Co. Ltd. (Shenzhen, China).
"Robotic lawn mower" was invented by Jidong Wei (Shenzhen, China) and Kai Wang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A robotic lawn mower comprises a frame, a first wheel set, and a second wheel set, wherein the first wheel set and the second wheel set are respectively arranged at opposite rear and front ends of the frame, the first wheel set is equipped with driving wheels, and the second wheel set is equipped with omni-directional wheels. The robotic lawn mower further comprises a controller, a first driving module, and a s...