4. Plastic and nonmetallic article shaping or treating: processes
  5. Optical article shaping or treating
  6. Light polarizing article or holographic article

Jian-Li Chang

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Keypad assembly having three-dimensional patterns

Electricity: circuit makers and breakers – Electric switch details – Actuators
Reexamination Certificate

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Method for manufacturing key-pad having three-dimensional...

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate

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Method of manufacturing light guide plate of keypad

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Light polarizing article or holographic article
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2299685

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