4. Surgery
  5. Specula
  6. Retractor

Chen-Ke Hsu

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Light emitting diode having a dual dopant contact layer

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With particular semiconductor material
Reexamination Certificate

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Vaginal speculum with light guide means

Surgery – Specula – Retractor
Patent

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Profile ID: LFUS-PAI-P-729842

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