Lee Cheng-Chang

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Details Lee Cheng-Chang Lee Cheng-Chang

: Illumination
: Light source or light source support and luminescent material

: Inventor
: active

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Keypad illuminating system for a data processing device

Illumination – Light source or light source support and luminescent material

Reexamination Certificate

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Profile ID: LFUS-PAI-P-2750287

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