4. Optical: systems and elements
  5. Lens
  6. With variable magnification

Yin-Fa Tu

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Adjustable lens assembly

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Flexible assembly system and mechanism adapted for an...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Radiating apparatus for U-shape projector system

Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2564788

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