Yu-Ming Tu

Follow

Person

Tainan City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Measuring compass
- Patent number 7,640,671
- Issue date Jan 5, 2010
- Yu-Ming Tu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
MEASURING COMPASS
- Publication number 20100000101
- Publication date Jan 7, 2010
- Yu-Ming Tu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES