4. Amusement devices: toys
  5. Sounding
  6. Including rolling or tumbling toy

Hai-Ming Wu

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Cholesteric liquid crystal cell devices and systems

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Cholesteric liquid crystal cell devices and systems

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Convertable toy car having a two-level cam

Amusement devices: toys – Sounding – Including rolling or tumbling toy
Patent

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Temperature compensation for liquid crystal cell optical...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Profile ID: LFUS-PAI-P-843803

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