4. Electrical transmission or interconnection systems
  5. Plural load circuit systems
  6. Circuit arrangements or layouts

Kurt Heidmann

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Adjustable lumbar support

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Reexamination Certificate

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Back construction

Chairs and seats – Detachable supplemental flexible pad or cover – Slipcover for bottom or back
Reexamination Certificate

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Beam assembly

Building units and construction elements – Prefabricated unit – Finishing unit
Design Patent

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Beam for a partition assembly

Building units and construction elements – Architectural stock material – Post or beam
Design Patent

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Chair with control system

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2306656

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