Penghui Chen

Follow

Person

Guangzhou City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Measuring ruler with self-locking function
- Patent number 12,163,778
- Issue date Dec 10, 2024
- Guangzhou Xiyin Supply Chain Management Co., Ltd.
- Yingnan Quan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MEASURING RULER WITH SELF-LOCKING FUNCTION
- Publication number 20230408236
- Publication date Dec 21, 2023
- Beijing Bowei Hengxin Technology Development Co., Ltd.
- Yingnan Quan
- G01 - MEASURING TESTING