Chun-Yu Chu

Follow

Person

Wugu Hsiang, TW

People

Patents Applicationslast 30 patents

Information Patent Application
RETRACTABLE BLADE KNIFE WITH OPENING ASSISTED MECHANISM
- Publication number 20090235534
- Publication date Sep 24, 2009
- Chun-Yu Chu
- B26 - HAND CUTTING TOOLS CUTTING SEVERING