GENEVA, March 30 -- DAI, Xiaoguo (NO. 489 JINBAI ROAD, JINSHAN INDUSTRIAL ZONEJinshan District, Shanghai 201506), 戴晓国 (中国上海市金山区金山工业区金百路489号), SHANGHAI SHIFT ELECTRICS CO., LTD. (NO. 489 JINBAI ROAD, JINSHAN INDUSTRIAL ZONEJinshan District, Shanghai 201506), 上海携福电器有限公司 (中国上海市金山区金山工业区金百路489号) filed a patent application (PCT/CN2024/111637) for "TOOTHBRUSH HEAD FOR ELECTRIC TOOTHBRUSH, AND MANUFACTURING METHOD THEREFOR" o...