ALEXANDRIA, Va., July 9 -- United States Patent no. 12,349,656, issued on July 8, was assigned to Shenzhen LEPLE Technology Co. Ltd. (Shenzhen, China).
"Pet toy" was invented by Zhiping Liu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pet toy include a housing, a self-moving device, and a flexible rope. The housing defines an internal space. Observation holes communicated with the internal space are defined in the housing. The internal space is observed through the observation holes, so the internal space defines a visible areas and a hidden area. The self-moving device is placed inside the internal space. When the self-moving device moves within the internal space, the self-moving devi...