Hsi-Min CHENG

Follow

Person

Taichung City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Drain strainer
- Patent number 11,505,931
- Issue date Nov 22, 2022
- Hsi-Min Cheng
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Drain strainer
- Patent number 10,024,039
- Issue date Jul 17, 2018
- Hsi-Min Cheng
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
DRAIN STRAINER
- Publication number 20220251813
- Publication date Aug 11, 2022
- Hsi-Min CHENG
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
DRAIN STRAINER
- Publication number 20150292191
- Publication date Oct 15, 2015
- Hsi-Min CHENG
- E03 - WATER SUPPLY SEWERAGE