4. Furnishings
  5. Furniture, freestanding support, or frame therefor
  6. Element

David A. Bergen

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Delta modulation utilizing selectable piecewise linear waveform

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Sunshade attachment for a chair or similar article

Furnishings – Furniture – freestanding support – or frame therefor – Element
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Profile ID: LFUS-PAI-P-657604

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