Yung-Chieh HSU

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Pingjhen City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Safety mechanism in an automatic engraving assembly
- Patent number 7,654,759
- Issue date Feb 2, 2010
- Yung-Chieh Hsu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
SAFTY MECHANISM IN AN AUTOMATIC ENGRAVING ASSEMBLY
- Publication number 20080050162
- Publication date Feb 28, 2008
- Yung-Chieh HSU
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS