Shen-Wei Chang

Follow

Person

Chien-Chun Tsun, Wu-Jih Hsiang, Taichung Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Compass device
- Patent number 11,041,721
- Issue date Jun 22, 2021
- CHUAN CHING MECHANICAL INDUSTRIAL CO., LTD.
- Chiao-Hu Chang
- G01 - MEASURING TESTING
Information Patent Grant
Multifunction measuring device
- Patent number 8,640,351
- Issue date Feb 4, 2014
- Shen-Wei Chang
- G01 - MEASURING TESTING
Information Patent Grant
Measuring instrument
- Patent number D679612
- Issue date Apr 9, 2013
- Shen-Wei Chang
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Compass
- Patent number D674296
- Issue date Jan 15, 2013
- Shen-Wei Chang
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Compass
- Patent number D661604
- Issue date Jun 12, 2012
- Shen-Wei Chang
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Combined compass and casing
- Patent number D658521
- Issue date May 1, 2012
- Shen-Wei Chang
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Name card holder
- Patent number D547062
- Issue date Jul 24, 2007
- Shen-Wei Chang
- D03 - Travel goods and personal belongings

Patents Applicationslast 30 patents

Information Patent Application
COMPASS DEVICE
- Publication number 20210055106
- Publication date Feb 25, 2021
- CHUAN CHING MECHANICAL INDUSTRIAL CO., LTD.
- Chiao-Hu CHANG
- G01 - MEASURING TESTING
Information Patent Application
MULTIFUNCTION MEASURING DEVICE
- Publication number 20130160311
- Publication date Jun 27, 2013
- Shen-Wei Chang
- G01 - MEASURING TESTING
Information Patent Application
CARD-HOLDING CASE WITH A DISPENSING HOLE
- Publication number 20080142540
- Publication date Jun 19, 2008
- Shen-Wei Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL