Yan CHEN

Follow

Person

Guangdong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated control type hollow curtain
- Patent number 12,291,922
- Issue date May 6, 2025
- Yan Chen
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED CONTROL TYPE HOLLOW CURTAIN
- Publication number 20240044203
- Publication date Feb 8, 2024
- Yan CHEN
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS