Chao Shih-Hung

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Pan-Chiao, TW

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Patents Grantslast 30 patents

Information Patent Grant
Keyboard with an optional metal support for strengthening its struc...
- Patent number 5,980,135
- Issue date Nov 9, 1999
- Acer Peripherals, Inc.
- Chao Shih-Hung
- H01 - BASIC ELECTRIC ELEMENTS