Helmut Albrecht

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Configuration for multiplexing and/or demultiplexing the...

Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate

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Configuration for spatially separating and/or joining...

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Core steel reinforcement for window guide channels and the like

Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent

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Damper for sound conducted in solids

Static structures (e.g. – buildings) – Underlying compressible layer or pad
Patent

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Damping covering

Acoustics – Sound-modifying means – Mechanical vibration attenuator
Patent

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Profile ID: LFUS-PAI-P-39070

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