Rong-Shean Lee

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Kaohsiung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Device for producing patterns
- Patent number 8,056,381
- Issue date Nov 15, 2011
- Metal Industries Research & Development Centre
- Tung-Chen Cheng
- B44 - DECORATIVE ARTS
Information Patent Grant
Ball grinding machine
- Patent number 6,171,179
- Issue date Jan 9, 2001
- National Science Council
- Yuang-Cherng Chiou
- B24 - GRINDING POLISHING
Information Patent Grant
Reciprocating friction drive-type ultra precision machine
- Patent number 6,074,285
- Issue date Jun 13, 2000
- National Science Council
- Yuang-Cherng Chiou
- B24 - GRINDING POLISHING
Information Patent Grant
Method for producing a stamp
- Patent number 5,454,315
- Issue date Oct 3, 1995
- Rong-Yuh Lee
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Device for Producing Patterns
- Publication number 20100147043
- Publication date Jun 17, 2010
- Tung-Chen Cheng
- B44 - DECORATIVE ARTS