ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,848, issued on July 28, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).

"Riding mowing device" was invented by Lei Wang (Nanjing, China) and Li Li (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A riding mowing device includes a keyless start system which allows a user to start the riding mowing device without a key. The keyless start system includes an authentication module and a controller. The authentication module is configured to authenticate the validity of a smart key of the user. The controller is electrically connected to at least the power supply assembly, where the controller controls the riding mowing d...