4. Electrical generator or motor structure
  5. Non-dynamoelectric
  6. Piezoelectric elements and devices

Jay Shieh

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Ultrasound transducer with a dumbbell-shaped chamber

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate

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Water heating device

Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
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Profile ID: LFUS-PAI-P-2290372

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