GENEVA, Dec. 28 -- WENZHOU CHENGHONG TOBACCO CO., LTD (Floor 4, Building 6, No. 22 Binhai 3rd Road, Yongxing Street, Longwan DistrictWenzhou, Zhejiang 325000), 温州市成红烟具有限公司 (中国浙江省温州市龙湾区永兴街道滨海三路22号6幢4楼) filed a patent application (PCT/CN2024/102345) for "SONIC CLEANING BRUSH" on Jun 28, 2024. With publication no. WO/2025/260406, the details related to the patent application was published on Dec 26, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which ...