Shih Yuan Hung

Follow

Person

Changhua Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Sprinkler
- Patent number D592731
- Issue date May 19, 2009
- Ruey Ryh Enterprise Co., Ltd.
- Shih Yuan Hung
- D23 - Environmental heating and cooling
Information Patent Grant
Water spray gun
- Patent number D572338
- Issue date Jul 1, 2008
- Ruey Ryh Enterprise Co., Ltd.
- Shih Yuan Hung
- D23 - Environmental heating and cooling