Shi Tong Yang

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Micro-welding electrode
- Patent number 6,770,833
- Issue date Aug 3, 2004
- Shi tong Yang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
SW micro welder for directly welding enameled wires
- Patent number 6,737,603
- Issue date May 18, 2004
- Shi tong Yang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SW micro welder for directly welding enameled wires
- Publication number 20030226825
- Publication date Dec 11, 2003
- Shi Tong Yang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Micro-welding electrode
- Publication number 20020185471
- Publication date Dec 12, 2002
- Shi tong Yang
- H01 - BASIC ELECTRIC ELEMENTS