4. Measuring, testing, or signalling instruments
  5. Security or signal instrument or casing
  6. Aural, i.e., audible

Shen-Keng Lin

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Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Design Patent

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Ringer for a bicycle

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent

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Ringer for a bicycle

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent

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Skateboard with a power driving unit

Motor vehicles – Ski- or skate-type vehicle for imparting movement to a... – With power means or a portion thereof affixed to or built...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-933933

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