Wen Chang Yen

Follow

Person

Kaohsiung, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Heater guard
- Patent number D667094
- Issue date Sep 11, 2012
- Allgreen Designs Co., Ltd.
- Wen Chang Yen
- D23 - Environmental heating and cooling
Information Patent Grant
Fuel heater
- Patent number D656595
- Issue date Mar 27, 2012
- Allgreen Designs Co., Ltd.
- Wen Chang Yen
- D23 - Environmental heating and cooling