Yung-Chah Sih

Follow

Person

Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Confidential envelope/bag
- Patent number 7,389,906
- Issue date Jun 24, 2008
- Yung-Chah Sih
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Confidential envelope/bag
- Publication number 20040251298
- Publication date Dec 16, 2004
- Yung-Chah Sih
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL