4. Equipment for production, distribution, or transformation of ene
  5. Distribution, modification or control
  6. Electron or vacuum tube

Bernd P. Keller

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active

High efficiency LED with tunnel junction layer

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...
Reexamination Certificate

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LED chip

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Electron or vacuum tube
Design Patent

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LED chip

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Electron or vacuum tube
Design Patent

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LED chip

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Electron or vacuum tube
Design Patent

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LED chip

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Electron or vacuum tube
Design Patent

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Profile ID: LFUS-PAI-P-3162634

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