David Hsu

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Soldering tool
- Patent number 5,408,988
- Issue date Apr 25, 1995
- David Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Soldering tool
- Patent number 5,007,405
- Issue date Apr 16, 1991
- David Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Soldering tool
- Patent number 4,858,593
- Issue date Aug 22, 1989
- David Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dual purpose lighter
- Patent number 4,596,525
- Issue date Jun 24, 1986
- David Hsu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES