Berthold Hahn

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Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate

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Electrical contact for optoelectronic semiconductor chip and...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With housing or contact structure
Reexamination Certificate

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Electromagnetic radiation emitting semiconductor chip and...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate

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Electromagnetic radiation emitting semiconductor chip and...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate

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Ingan-based light-emitting diode chip and a method for the...

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

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Profile ID: LFUS-PAI-P-1753523

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