4. Implements or apparatus for applying pushing or pulling force
  5. Hoisting truck
  6. Single throw lever

Chia-Chang Lee

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Hydraulic lifting device

Implements or apparatus for applying pushing or pulling force – Hoisting truck – Single throw lever
Patent

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Optical engine for a projection display device

Optics: image projectors – Lens support
Reexamination Certificate

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Projection apparatus, light source module and beam combiner...

Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate

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Projection lens movement-adjusting apparatus

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1517724

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