GENEVA, July 7 -- BESTAR HOLDINGS CO., LTD. (No. 199, Huanghe West Road, Xinbei DistrictChangzhou, Jiangsu 213022), 汉得利（常州）电子股份有限公司 (中国江苏省常州市新北区黄河西路199号) filed a patent application (PCT/CN2024/088023) for "ULTRASONIC SPEAKER" on Apr 16, 2024. With publication no. WO/2025/138494, the details related to the patent application was published on Jul 03, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIP...