GENEVA, Dec. 7 -- ZHE JIANG HENGWEI ZIPPER CO LTD (No. 23 Shuangfeng Road, Yinan Industrial Park, Yiwu CityJinhua, Zhejiang 322002), 浙江恒威拉链有限公司 (中国浙江省金华市义乌市义南工业园区双峰路23号) filed a patent application (PCT/CN2024/121678) for "DOUBLE-LAYER EXPANDABLE MULTI-CHAIN ZIPPER" on Sep 27, 2024. With publication no. WO/2025/246102, the details related to the patent application was published on Dec 04, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World...