4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Kuo-Ching Liu

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Built-up card holder

Amusement devices: toys – Changeable book – card – or picture
Reexamination Certificate

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Built-up spinning top

Amusement devices: toys – Rotating or having visible rotating portion – Top
Reexamination Certificate

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Built-up spinning top

Amusement devices: toys – Foldable – collapsible – or having pivoted portion
Reexamination Certificate

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Built-up toy car rotatable wheels

Amusement devices: toys – Construction toy – Vehicle
Reexamination Certificate

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Built-up toy ejector

Amusement devices: toys – Construction toy – For assembly into permanent form
Reexamination Certificate

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Profile ID: LFUS-PAI-P-676732

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