Cheng-Tsung Tung

Follow

Person

Nantou City, TW

People

Patents Applicationslast 30 patents

Information Patent Application
WINDOW CURTAIN SAFETY DESIGN
- Publication number 20110048657
- Publication date Mar 3, 2011
- Cheng-Tsung Tung
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS