GENEVA, Jan. 25 -- RUIDUO (SHANGHAI) INTELLIGENT TECHNOLOGY CO., LTD. (Room 361, No. 518, Shuangdian Road, Lingang New Area China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 200135), 瑞多（上海）智能科技有限公司 (中国上海市浦东新区中国(上海)自由贸易试验区临港新片区双店路518号361室) filed a patent application (PCT/CN2024/114120) for "STEPLESS AMPLITUDE-VARYING HORIZONTAL RHYTHM APPARATUS AND ADJUSTMENT METHOD" on Aug 23, 2024. With publication no. WO/2026/016259, the d...