4. Alloys or metallic compositions
  5. Tin base
  6. Antimony, or bismuth containing

Choong Sik Yoo

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Digital controlled electronic ballast with piezoelectric...

Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate

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Lead-free soldering material having superior solderability

Alloys or metallic compositions – Tin base – Antimony – or bismuth containing
Patent

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Piezoelectric ceramic composition, and high power output...

Compositions – Piezoelectric – Lead – zirconium – titanium or compound thereof containing
Reexamination Certificate

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Piezoelectric ceramic composition, and high power output...

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

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Piezoelectric ceramic composition, and high power output...

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

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Profile ID: LFUS-PAI-P-1989533

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